OpenTechnical

OT-2026-000010204

Publication integrity record

Single cup vacuum gripper, two stage ejector, sustained 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-2026-000010204) never changes.

Identity and time

Publication numberOT-2026-000010204 · never reused
Internal UUID01a0ae6b-cb7b-7340-97aa-cef488d463d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010204
StatusPUBLIC

Content hashes

Canonical text27d4b2f2adb82db77c3e742861ba20cf9170e207c24e2e1d84f2fc01b2c76333
Markdown0971c6d4b3ba03e15bd703a5196882a716aa77520708f57a86ef38f5743d9af9
PDF
Publication page8b36ea090bfe868dd010baa666086e79803f07b985c3a5d365c5180be0eb4e37
Manifestb4c32edbd398f1331d72d678e194e2928db683be653228a2e7dde952b781a514

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
SignatureJ5UNnsm9ItApOEw0HKcDjyxEKn+5XR3Hdsvq+OdQ6OBCOOQ742YXs6ySxffLjSYNckNknWopErEM3XyhsOQ8BA==
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

2026-09-17T12:16:19.585822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010204
observed 8b36ea090bfe868dd010baa666086e79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:19.566810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010204/manifest.json
observed b4c32edbd398f1331d72d678e194e292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:19.544666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010204/publication.md
observed 0971c6d4b3ba03e15bd703a5196882a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:19.522438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010204/publication.txt
observed 27d4b2f2adb82db77c3e742861ba20cf...
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.