OpenTechnical

OT-2026-000019569

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000019569) never changes.

Identity and time

Publication numberOT-2026-000019569 · never reused
Internal UUID01a0ae6e-f394-7e43-85e3-116b7aa8adcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019569
StatusPUBLIC

Content hashes

Canonical text79608f5c83715cfec34ed25c6d7985069b1070b1db4f295092c4ff57fb550059
Markdown679e32be4341284e3e9e059dcf078c6595df703e6136bf634892beefb973d28c
PDF
Publication page4fb0a4863f532b0b735787d74c50c139c968fed1e1d4e92aa3065afbd4389de2
Manifest6e0053e428cb4c251a989413bc1cb8199b55c4a05571a673d4f6555e37f62d35

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
SignatureL47VPCRJoGeWCXP2FmHnhI7loW0aRobQ0lCl98ioKSnK4AneR5bRF8eEAL62lqzS2hMSwhd8NOLYd3kOddNTDg==
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

2026-09-17T11:59:00.944851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019569
observed 4fb0a4863f532b0b735787d74c50c139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:00.928101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019569/manifest.json
observed 6e0053e428cb4c251a989413bc1cb819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:00.909959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019569/publication.md
observed 679e32be4341284e3e9e059dcf078c65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:00.888681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019569/publication.txt
observed 79608f5c83715cfec34ed25c6d798506...
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.