OpenTechnical

OT-2026-000039641

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000039641) never changes.

Identity and time

Publication numberOT-2026-000039641 · never reused
Internal UUID01a0ae78-d8d4-7118-a9d9-881accaab079 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039641
StatusPUBLIC

Content hashes

Canonical text84fde4cbe35c916bcfc75689f6f4db8c35d7c8e7ce1884d8be7244de5a7094c5
Markdown7a9f7485f402fdbc29e193b31a2c1eae78c4e09f3cd39228c37d6b4141bb44a4
PDF
Publication page527d8f7f8ef54e45651144f81132ebd2689c8f3ee44c796437c4311ae39efce0
Manifest8a9415965ac7927a914a7462926a5f08bc97a13064d10ebc4c97dcb4bbb66ac5

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
SignatureKzQlYTI4YjDS4oITMx4nGHGVNVmYABOMi9rZ0UYIvDd5goyzFnJt3CjszkuYTB0AUaTydjqagkpXsx9rqk3yDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:48.898678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039641
observed 527d8f7f8ef54e45651144f81132ebd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:48.878482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039641/manifest.json
observed 8a9415965ac7927a914a7462926a5f08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:48.860850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039641/publication.md
observed 7a9f7485f402fdbc29e193b31a2c1eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:48.841471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039641/publication.txt
observed 84fde4cbe35c916bcfc75689f6f4db8c...
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.