OT-2026-000028603
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000028603) never changes.
Identity and time
| Publication number | OT-2026-000028603 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-70fc-b6a2-b3e1200f4485 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028603 |
| Status | PUBLIC |
Content hashes
| Canonical text | fb68437bc1809a38aaf876e2407f495b65903c60226cd7d4666255c43a0532cb |
|---|---|
| Markdown | a1a95322b0a69d3e926fceda3bc167c2ddbd1cd172a557550c0e3d71b8ee1977 |
| Publication page | 915c10ff22d7852da78c49651fcc22ebaae4b86e3b20ed8c6463d9932272d37a |
| Manifest | 6ec4fef1d55c67e99dd9e164e3f8c880f238837872ea88c7ae1ebef03ed8d6ed |
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 | LgmRv4iQqWaFq7titB94QeaBHXaRraGBsavxthAAwF7f4gYELRiQa9g+0JCVGw9w6U4G03dBAz24bpoF8IuSAg== |
| 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
| 2026-09-17T11:41:27.710134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028603observed 915c10ff22d7852da78c49651fcc22eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:27.688218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028603/manifest.jsonobserved 6ec4fef1d55c67e99dd9e164e3f8c880...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:27.664696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028603/publication.mdobserved a1a95322b0a69d3e926fceda3bc167c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:27.643800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028603/publication.txtobserved fb68437bc1809a38aaf876e2407f495b...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. |
|---|