OT-2026-000013978
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000013978) never changes.
Identity and time
| Publication number | OT-2026-000013978 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8dea-77c4-8373-3d9c0ee676b9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013978 |
| Status | PUBLIC |
Content hashes
| Canonical text | b33cb176015d36130025bfa47bab2373aeb88834e0569e1100c740e3efaa443d |
|---|---|
| Markdown | b28f982535343969c778843642c0cdf76e46b58d02991b4ddd020970cb386a7c |
| Publication page | 1c664f9443fa8b92158353b1a5da82a8fc9be9f968ba1b0091cdd831d378f922 |
| Manifest | a613e7f580c88b90015f721edcdb0a0eb13784d64999f83914cc595421e9bd47 |
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 | bxemR124SleYlZIS+kymvfuGm3pZ80A2Og5ol9w9Gqd79tMcOnWC4pIo6vtdrePFUSFl9XMkX7clmz4KIuh2CA== |
| 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
| 2026-09-17T12:09:11.461865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013978observed 1c664f9443fa8b92158353b1a5da82a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:11.441543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013978/manifest.jsonobserved a613e7f580c88b90015f721edcdb0a0e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:11.419610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013978/publication.mdobserved b28f982535343969c778843642c0cdf7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:11.399300Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013978/publication.txtobserved b33cb176015d36130025bfa47bab2373...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. |
|---|