OpenTechnical

OT-2026-000027176

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000027176) never changes.

Identity and time

Publication numberOT-2026-000027176 · never reused
Internal UUID01a0ae72-3454-7ddd-a0c1-410c75abddd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027176
StatusPUBLIC

Content hashes

Canonical textdd41ec3f76c3970743dee4b2d4a5659d83fd71a708a416dec048fbce1a2338ed
Markdownac0d38d88b813fa0283fb3ac5e8ecdd27ce5810762a13980c452b73796cfab7d
PDF
Publication page0702d3cf370cc146205f9548577c90ceeeedec9b36532c5be88eddbd481f4468
Manifest56ac3b1da154ac07dadcca1899375a75bd8d1432559fa01a836933d1bd27df55

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
SignatureBIDSTUqxPwuKiI/JsOGc0C1vJXySIa4AmFlOkOdca1hAF8HErQ4uvO/xl7SQUhx2xoKdiREWu9B28xmS2bizDQ==
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

2026-09-17T11:44:03.646382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027176
observed 0702d3cf370cc146205f9548577c90ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:03.618798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027176/manifest.json
observed 56ac3b1da154ac07dadcca1899375a75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:03.590710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027176/publication.md
observed ac0d38d88b813fa0283fb3ac5e8ecdd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:03.454252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027176/publication.txt
observed dd41ec3f76c3970743dee4b2d4a5659d...
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.