OT-2026-000015340
Publication integrity record
Single bellows cup vacuum gripper, pump fed, 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-2026-000015340) never changes.
Identity and time
| Publication number | OT-2026-000015340 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef49-7657-bfa1-b70866fcb910 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015340 |
| Status | PUBLIC |
Content hashes
| Canonical text | af4d4077ac4219e4106053e1d8e8cbccb13644d873edf704441b9569f784afc9 |
|---|---|
| Markdown | f25b83b75bedbca35820c19aa71b8332df9a634070130423be89d782d1381778 |
| Publication page | 58b2593fea294dcd79d85306ecd99852d01c3d0cd0ffe9db77de3bb1ba6c418d |
| Manifest | 0f99dda281bf5ce45ac985c811df7cc075d74f326b02b10915870cc578d0ff38 |
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 | 4sSyKTnS0Oyd/a4k4ZUq8bnnCZ5vHnksp8PHtRNmAsLtFMbpjFBd4GxW19/EsHlD1w7abzw55ZioN5NweCFMDg== |
| 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
| 2026-09-17T12:05:41.391757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015340observed 58b2593fea294dcd79d85306ecd99852...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:41.372573Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015340/manifest.jsonobserved 0f99dda281bf5ce45ac985c811df7cc0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:41.333625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015340/publication.mdobserved f25b83b75bedbca35820c19aa71b8332...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:41.296186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015340/publication.txtobserved af4d4077ac4219e4106053e1d8e8cbcc...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|