OpenTechnical

OT-2026-000073729

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold 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-2026-000073729) never changes.

Identity and time

Publication numberOT-2026-000073729 · never reused
Internal UUID01a0ae93-2b8d-7656-aa4c-086e564ee939 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073729
StatusPUBLIC

Content hashes

Canonical text1ecc1da4e7b631f26dd44e1253769a00752ac45bb922a76ed2c7311657b4f01a
Markdown2e897ccb970d13242e68ae08f855d4b53bbea1314533e0e53a8858bc81105221
PDF
Publication page07afd0ecaf7ca71d67365e6404661563432f73cf3616b75f90002690438ecb45
Manifestaa4bb3906b79c1cc8a15b2ed0bf45522618b308978ed33d06292afd67f70b534

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
Signature5Tq2pNePSgvKEkwhML0dMFTYLPkrbwOQrd9g5tk3J1wBaExASbYfGGxFzsrzEc7SzDZWB2JtwzPHYs5NaIPFAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:48.360704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073729
observed 07afd0ecaf7ca71d67365e6404661563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.343793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073729/manifest.json
observed aa4bb3906b79c1cc8a15b2ed0bf45522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.326127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073729/publication.md
observed 2e897ccb970d13242e68ae08f855d4b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.305545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073729/publication.txt
observed 1ecc1da4e7b631f26dd44e1253769a00...
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.