OpenTechnical

OT-2026-000017251

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000017251) never changes.

Identity and time

Publication numberOT-2026-000017251 · never reused
Internal UUID01a0ae6e-76c8-7146-820f-9b5be4f071ed · 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-2026-000017251
StatusPUBLIC

Content hashes

Canonical text70854f74bbf48e3c28f800e580331ba44c5c5636ba171fa92a1359a9c2beff7a
Markdown2f6cb9827f2e096fa999079c6d5fccd14f097f41570e7a6f2ff9eefaeaca6e82
PDF
Publication paged624f76a74c8e84c5402080e9402bdf69d3425eeb4febf011bb30bf8b09613fc
Manifestafd7e6de631c6e617f2e3bef2b4086095747c353f03d6759956642278612de91

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
Signature1TOJL2FB0bRvFMmPs4Baj7ZW1mjIuPRuPxoWtBuj0zvDmdQUuwkxtRDhfre4x9x30V9cVd/qaaFQjBUWNDjADQ==
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

2026-09-17T12:02:20.238609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017251
observed d624f76a74c8e84c5402080e9402bdf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:20.220958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017251/manifest.json
observed afd7e6de631c6e617f2e3bef2b408609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:20.201671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017251/publication.md
observed 2f6cb9827f2e096fa999079c6d5fccd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:20.183466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017251/publication.txt
observed 70854f74bbf48e3c28f800e580331ba4...
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.