OT-2026-000078044
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented after 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-2026-000078044) never changes.
Identity and time
| Publication number | OT-2026-000078044 · never reused |
|---|---|
| Internal UUID | 01a0ae95-6e8c-722c-b463-29d586f334d4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:03.897850Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078044 |
| Status | PUBLIC |
Content hashes
| Canonical text | c0da2914ffd6e2181611da446d4150c7ee7e8997781f6e7b8ab22605e54e86cf |
|---|---|
| Markdown | 7a400070e77f82cfaac701098615782c9e6daaff43ec639ac0935cfc03b64fbe |
| Publication page | a13968e2e26468852d980039fc626799d4daa0ccfa24ba78b90b3730e2e8d034 |
| Manifest | 1d72f995f43fc775d57e565caf061f4be460ce6bda76858de59cb03cf22c3be3 |
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 | FwIPZQhm2d1nYB76pT+CXPDTjbMdcRl9lpPcGIXHhnVd20VUgTqN7rWxDRhBVafwzlXbhgOI9DsxiUUTEknvAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-29T08:41:17.473019Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078044observed a13968e2e26468852d980039fc626799...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T08:41:17.383261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078044/manifest.jsonobserved 1d72f995f43fc775d57e565caf061f4b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T08:41:17.292529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078044/publication.mdobserved 7a400070e77f82cfaac701098615782c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T08:41:17.167526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078044/publication.txtobserved c0da2914ffd6e2181611da446d4150c7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T12:41:30.310050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078044observed a13968e2e26468852d980039fc626799...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T12:41:30.233701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078044/manifest.jsonobserved 1d72f995f43fc775d57e565caf061f4b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T12:41:30.155214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078044/publication.mdobserved 7a400070e77f82cfaac701098615782c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T12:41:30.006161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078044/publication.txtobserved c0da2914ffd6e2181611da446d4150c7...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 |
|---|