OpenTechnical

OT-2026-000011885

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two 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-2026-000011885) never changes.

Identity and time

Publication numberOT-2026-000011885 · never reused
Internal UUID01a0ae6d-1942-7729-b935-1a6c05ac774c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011885
StatusPUBLIC

Content hashes

Canonical text74bf485dfb0fcef7c6e5fd7e3a3ee485ff672aa0470cbfbcad27d6a10836f35f
Markdown37731994caa6585cf87c719d1c689d54c247fb537c5695325ef614c20e19acd8
PDF
Publication page974faa02d9a2bfe927049f6c0cc37390e8eef81c9992bf9a81be5a14f8cd5e4b
Manifest92c230f2208f4e64f99b725a06774f788b7f9a2df428d2cfaf0192710ba9903d

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
SignaturebsV9EaLj695dncv38tXYMpSlwr1IsgHp7w8UC5t8x9XMY9Ml1dteBO2kMkyT3VaIHZUe9Zhzt/nULcguphBABA==
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

2026-09-17T12:12:38.284638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011885
observed 974faa02d9a2bfe927049f6c0cc37390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:38.266006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011885/manifest.json
observed 92c230f2208f4e64f99b725a06774f78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:38.248205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011885/publication.md
observed 37731994caa6585cf87c719d1c689d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:38.228261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011885/publication.txt
observed 74bf485dfb0fcef7c6e5fd7e3a3ee485...
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.