OpenTechnical

OT-2026-000008021

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000008021) never changes.

Identity and time

Publication numberOT-2026-000008021 · never reused
Internal UUID01a0ae6a-908b-70fc-a868-833009b64cfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008021
StatusPUBLIC

Content hashes

Canonical text611315841c777a517db06d8fc614470d7890045688ec6609860ae8194e47d856
Markdown2f1c9b29c582fecc0f8484a2690812c1988d7beace08c2bbdc744b32797afa98
PDF
Publication page8bbd1400735206c967a976961dfe2180fee79a8e2e61669a3401b729b3082061
Manifest9021afa9366127bf8f73075a76f99a510faf422c9a2a48de4d44a77d1b482be8

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureUHBDOM7gFwdLg3Fv3qfKODstAyucujrru3AkRmcOZvmMzo8eGFSP1D8L3gabsi6YeA0YzTp+CqgueTB8Ng28Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:36.514462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008021
observed 8bbd1400735206c967a976961dfe2180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.491043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008021/manifest.json
observed 9021afa9366127bf8f73075a76f99a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.389111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008021/publication.md
observed 2f1c9b29c582fecc0f8484a2690812c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.370466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008021/publication.txt
observed 611315841c777a517db06d8fc614470d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.309254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008021
observed 8bbd1400735206c967a976961dfe2180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.290540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008021/manifest.json
observed 9021afa9366127bf8f73075a76f99a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.270642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008021/publication.md
observed 2f1c9b29c582fecc0f8484a2690812c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.251110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008021/publication.txt
observed 611315841c777a517db06d8fc614470d...
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 archivePending 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 packagePending Custody packages are produced weekly.