OpenTechnical

OT-2026-000074138

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000074138) never changes.

Identity and time

Publication numberOT-2026-000074138 · never reused
Internal UUID01a0ae93-7177-7768-a3cf-4c3fea3ede3f · 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-2026-000074138
StatusPUBLIC

Content hashes

Canonical textc196257aaff7bde33ce5a1ac9b3bd92d4579acf4475dcd1538d6d124b6a852ae
Markdown4200c28d1e65c7b3eabf51331d0849711ead6e003e010acd383453e47ab23336
PDF
Publication page995982ca10924591e709599df47773f7ae919d4416e53bdb2631e0e6bcb24155
Manifest0ad3de2ce2438246d797e81cb9c8a785a7adc81f05796267d4b8895e727c0bf2

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
SignaturesT0n14klSNdeRc+GVHpW/gRqOuLtRW2AFuIFPI57DCvCbnjycnWx3ZvJuyjzA1vP1OO6/9q8e3uNfxi/4CjnDA==
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

2026-09-17T10:18:58.906501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074138
observed 995982ca10924591e709599df47773f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.888348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074138/manifest.json
observed 0ad3de2ce2438246d797e81cb9c8a785...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.871706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074138/publication.md
observed 4200c28d1e65c7b3eabf51331d084971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.854619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074138/publication.txt
observed c196257aaff7bde33ce5a1ac9b3bd92d...
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.