OpenTechnical

OT-2026-000039471

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000039471) never changes.

Identity and time

Publication numberOT-2026-000039471 · never reused
Internal UUID01a0ae78-9675-712b-94b0-6343184ec51c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039471
StatusPUBLIC

Content hashes

Canonical text1feaf2a4b998639114cbc50dc215d594dbe2ed21f1535eb7393229b9e3f40d0b
Markdowncf853b5d48f4b7948c8d656f07b6bd94829b8903795c598f8450b0c472430b39
PDF
Publication pagec6dfad31fced1a9c326e7ddfd62a80e77d4e44b6fa6f3c95bfe9fad60a7dd366
Manifestc72fd863149e944d080703e53712096948de03e33e7cd2e0cfec851327d1b807

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
SignatureQA1srUOZK6A3N+3qOu5sNAanywgMq5tTObaBojBG3oRSUX+MpoA6wO0MUFaAXeLU10tRZ8suUbFsbDsJasE/AA==
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

2026-09-17T11:21:05.668043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039471
observed c6dfad31fced1a9c326e7ddfd62a80e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:05.652173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039471/manifest.json
observed c72fd863149e944d080703e537120969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:05.636130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039471/publication.md
observed cf853b5d48f4b7948c8d656f07b6bd94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:05.618092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039471/publication.txt
observed 1feaf2a4b998639114cbc50dc215d594...
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.