OpenTechnical

OT-2026-000017525

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three 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-2026-000017525) never changes.

Identity and time

Publication numberOT-2026-000017525 · never reused
Internal UUID01a0ae6e-76ca-7456-8c0f-834cdc4482e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017525
StatusPUBLIC

Content hashes

Canonical text26a91b4162c05821d39a3d24e7a5455e588669f08c1b3c27b9e81f2d8f4450c1
Markdown504728c0a403648431745d895e3c08d985077c7c668f0b6fe514ed1c399fedf6
PDF
Publication page77bc65095cb60d3202ed575d17e3298167b875467de46dad93a6319012716570
Manifestf582d6f36f91d09e1a1a2b2e4dfba6fc975853c6fd518403a0e3a3901f6a752b

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
SignaturerDt2kQRUtiy23s2gXhDujCSTO0S8Y6B9WwAuzrqzE2pwviexwyp7ZR4CMYsQhSifwCBHiLi5kCWgXGvorWMODA==
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

2026-09-17T12:02:41.040881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017525
observed 77bc65095cb60d3202ed575d17e32981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:41.023323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017525/manifest.json
observed f582d6f36f91d09e1a1a2b2e4dfba6fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:41.007148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017525/publication.md
observed 504728c0a403648431745d895e3c08d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.991270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017525/publication.txt
observed 26a91b4162c05821d39a3d24e7a5455e...
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.