OT-2026-000076221
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000076221) never changes.
Identity and time
| Publication number | OT-2026-000076221 · never reused |
|---|---|
| Internal UUID | 01a0ae94-6a6f-7ceb-be6e-bc5570e1b407 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:57.307071Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000076221 |
| Status | PUBLIC |
Content hashes
| Canonical text | bffc4e9708a1a8b85c58683293549c18522fa84a5e2aaf9d77bccd33c6344968 |
|---|---|
| Markdown | 1f607b7fe93abe1df5cd95fe9382f2fa7f040e1358dee6369141d6a810de5c94 |
| Publication page | b8a36148f697b708a0133b7657d4151be4da562e795e09f54a903e9350eb3f4f |
| Manifest | 0d671a69797a265206325c52e91cd1a36ae656079438ef27b1e316c8a31b8cac |
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 | UW8KAJCkfdAX3Kdpv7hxibZr93X2MZLn74lHBDyNnKuS+g8lj/H12NtHhxn0u5/7AuJBSzhVS39x9j6B7JgPBg== |
| 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
| 2026-09-17T10:11:37.048994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076221observed b8a36148f697b708a0133b7657d4151b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:11:37.031192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076221/manifest.jsonobserved 0d671a69797a265206325c52e91cd1a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:37.013552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076221/publication.mdobserved 1f607b7fe93abe1df5cd95fe9382f2fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:11:36.807038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076221/publication.txtobserved bffc4e9708a1a8b85c58683293549c18...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. |
|---|