OpenTechnical

OT-2026-000101731

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pulsed blow-off after 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-2026-000101731) never changes.

Identity and time

Publication numberOT-2026-000101731 · never reused
Internal UUID01a0aea4-0e17-7956-b9e7-0f5036a3289c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101731
StatusPUBLIC

Content hashes

Canonical text0c8b48427d2fc2bb2298cc534520af37c8001e04b15eab882e6aa8fec4350554
Markdown6c0551b25fa0568737cb9dfe0b1b75d2232dd34362cebfb2b8179e456f0b574b
PDF
Publication pageac0c47086dac46596657a8162c2ab4589a1c3fdc56a452ef8859209382b4b84e
Manifest661adacb58fe981d9daf291d82b0762944e06c4d6552ed3b783331e0aa09be06

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
SignaturesYccSmODWcRtjjipYw2qLF4Okupe5prBkDKK934Q74JDwPyQWjlwY3QSsSp3ielX9nOIl4oaWlSZAeboFLeXCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:13.887344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101731
observed ac0c47086dac46596657a8162c2ab458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:13.866665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101731/manifest.json
observed 661adacb58fe981d9daf291d82b07629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:13.841636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101731/publication.md
observed 6c0551b25fa0568737cb9dfe0b1b75d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:13.753717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101731/publication.txt
observed 0c8b48427d2fc2bb2298cc534520af37...
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.