OpenTechnical

OT-2026-000074112

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000074112) never changes.

Identity and time

Publication numberOT-2026-000074112 · never reused
Internal UUID01a0ae93-7177-7cad-8180-9404f9d2e398 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074112
StatusPUBLIC

Content hashes

Canonical text8cc1660a5503e06195ef8be585d3fd633817acabf3aec36362591436a8c72842
Markdown686f84faa732f0f8915b0434c8acb26ae57a09643eeb23fdd474c79eeccb63ea
PDF
Publication page509c9d48b8cb091078930381932ccdbd8c0470b663cf688a6cedc268e79aed63
Manifest2ba1133d938074e1cbc9cdba97a31565325d483997a27a9ffcd0921cf9753aba

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
SignatureSd5KeqpX3n8uVwppvMHv1i5tHNWaWYum2eyUyiDTmU7lKGr0WRhyzgprmizmxGQBGhCwjeTJ702hNNpOGO4pDQ==
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

2026-09-17T10:18:56.963109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074112
observed 509c9d48b8cb091078930381932ccdbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.945385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074112/manifest.json
observed 2ba1133d938074e1cbc9cdba97a31565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.927497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074112/publication.md
observed 686f84faa732f0f8915b0434c8acb26a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.909075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074112/publication.txt
observed 8cc1660a5503e06195ef8be585d3fd63...
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.