OpenTechnical

OT-2026-000012847

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000012847) never changes.

Identity and time

Publication numberOT-2026-000012847 · never reused
Internal UUID01a0ae6d-5563-7459-9c57-b3a534541d63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012847
StatusPUBLIC

Content hashes

Canonical text8b9fada4ece30f1ed9dec32732c54b947171b6520f1a2d723577c40ecf171177
Markdownf24c882a2d22cc2b1e5dd52b0216b1698f622af9710fb39588af1eb2be067e11
PDF
Publication pageac9f035aac66a3417596fb5108ff0a69acef66ec17f1631548fa3adc9f6c6f71
Manifest70604b21ec9b4777949437b15e412ed4732b4de83078ab271b0e3463fb528c08

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
SignaturewpwWCCC4f/vnk7GkRuofJOwArAC5yOq015d/0Qv8TAn4rFVJ2MNNw14XEkIokXonJLeqWljPVqpPT2Ea7/PiBQ==
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

2026-09-17T12:10:37.482820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012847
observed ac9f035aac66a3417596fb5108ff0a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:37.463835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012847/manifest.json
observed 70604b21ec9b4777949437b15e412ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:37.197675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012847/publication.md
observed f24c882a2d22cc2b1e5dd52b0216b169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:37.151164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012847/publication.txt
observed 8b9fada4ece30f1ed9dec32732c54b94...
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.