OpenTechnical

OT-2026-000010612

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, vented 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-2026-000010612) never changes.

Identity and time

Publication numberOT-2026-000010612 · never reused
Internal UUID01a0ae6c-0ee7-7236-afea-804bfb9d9c3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010612
StatusPUBLIC

Content hashes

Canonical text1b11e662627ad2873c1474be14b375ee78d8fd98bc08864a7d717dc0c9ad875d
Markdown776d3472232d591c34a1ed3a36dc4a2b410ac9110e0552e745e4018a551e026c
PDF
Publication page04fbe5b1fdfab39a7ba2c8377377f6de54ebaa04e505a4408596a7dd2bcb54f3
Manifest4ce795b5cf88ce0999db17f2c769a25f6fda92639ca3052f70a3f5d5448d7698

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
SignatureErIlDPheWv/HZZTRtj6WE/eJP5dYx9JTawc7Z9SEMy5RRWgZMBJnPLDM/Uc7VyZPjv5uhUgcwvV3D3Rbnw/PDA==
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

2026-09-17T12:14:48.254594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010612
observed 04fbe5b1fdfab39a7ba2c8377377f6de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:48.235143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010612/manifest.json
observed 4ce795b5cf88ce0999db17f2c769a25f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:48.216508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010612/publication.md
observed 776d3472232d591c34a1ed3a36dc4a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:48.195927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010612/publication.txt
observed 1b11e662627ad2873c1474be14b375ee...
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.