OpenTechnical

OT-2026-000061885

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000061885) never changes.

Identity and time

Publication numberOT-2026-000061885 · never reused
Internal UUID01a0ae8b-b8ad-7f85-ac0f-88dba82efa34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061885
StatusPUBLIC

Content hashes

Canonical textb6eef4ea2fddd4757413f3254b71d26cdedec545e9086681599e502c4ea54b3f
Markdownf19b8f56d49764570d3934512760c5444369a081ae6c8cc6fd2f271fbe882f5d
PDF
Publication pagedd1e0747b9b4f348807ba314ce7d01c5a1b5f369bfde49a7040f9cb47828cb56
Manifest3a1017a6e6db2664f03ca5500384c1289ed3ef2c40621617b37233b2ec8ee3ca

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
SignatureJMLmFxHjqhtfcT/1FMenAqG4/giCYI2gl1uxmmP7JRsWN5hriFX1RbKogSO/Hawnm4LjO4UMQl5EOPAsu4gJBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:45.155474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061885
observed dd1e0747b9b4f348807ba314ce7d01c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.136397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061885/manifest.json
observed 3a1017a6e6db2664f03ca5500384c128...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.116551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061885/publication.md
observed f19b8f56d49764570d3934512760c544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.096421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061885/publication.txt
observed b6eef4ea2fddd4757413f3254b71d26c...
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.