OT-2026-000034531
Publication integrity record
Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000034531) never changes.
Identity and time
| Publication number | OT-2026-000034531 · never reused |
|---|---|
| Internal UUID | 01a0ae76-1ed0-7635-9fbd-187254badce4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:22:51.876169Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000034531 |
| Status | PUBLIC |
Content hashes
| Canonical text | 38d90ab2b72e52dcf6ec95e80d14ad51cbc91839ae0b79b0198e96484693bc35 |
|---|---|
| Markdown | e08b8be3d5eb9946ae1470985e501403656f0b1a9b9227f50bd5c53a58cef2f1 |
| Publication page | aa8bd06ec8491e8e854147c01256f70649c28b100e06aaa86cf4d4a5a266b3d3 |
| Manifest | 1c4e31d46dcec29f6fa26a3d61a7b573a658c9ad023139f53edddfa18edcdf97 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | 0yBIcf/MOnGZnvATzaGz8Tdx28ijF0K8sV65wTcza9RJB9yOcVke4/ZEbA1RTouArrPsmXNLfq3o0F+jwE1ZCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-14T16:41:57.697401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034531observed aa8bd06ec8491e8e854147c01256f706...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-14T16:41:57.614799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034531/manifest.jsonobserved 1c4e31d46dcec29f6fa26a3d61a7b573...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T16:41:57.490957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034531/publication.mdobserved e08b8be3d5eb9946ae1470985e501403...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T16:41:57.333694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034531/publication.txtobserved 38d90ab2b72e52dcf6ec95e80d14ad51...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:08.355144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034531observed aa8bd06ec8491e8e854147c01256f706...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:08.271643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034531/manifest.jsonobserved 1c4e31d46dcec29f6fa26a3d61a7b573...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:08.197592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034531/publication.mdobserved e08b8be3d5eb9946ae1470985e501403...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:08.077428Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034531/publication.txtobserved 38d90ab2b72e52dcf6ec95e80d14ad51...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|