OpenTechnical

OT-2026-000074694

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000074694) never changes.

Identity and time

Publication numberOT-2026-000074694 · never reused
Internal UUID01a0ae93-ac2b-7ed8-88e2-69445be8bd70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074694
StatusPUBLIC

Content hashes

Canonical text69c174ce3c2a93370826c53dcd8502dab379a2268d3131b91eb2d1d74a9f42a6
Markdown82cd260990b8f1ecff1ad9c95ee84da3d584fed4a26b33207acfe7d5421501a6
PDF
Publication page1735b95726af8afcc6477d6ea4a54663cb63f9c106bd670576f8879b0aba4924
Manifestd0a7f2e074c6945364f88e6c35ce977bdb675011e724ee05920c878a502f0e62

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
SignatureDaP5mQp2a5x9r5SIz0PuKc4qetl2uXWcj0cKcvHCj2G5ZECq4xgfFA8URWfqQvy5NZOMuN+FZ2HNnleuawY8BQ==
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

2026-10-30T16:41:51.667266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074694
observed 1735b95726af8afcc6477d6ea4a54663...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-30T16:41:51.603534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074694/manifest.json
observed d0a7f2e074c6945364f88e6c35ce977b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-30T16:41:51.535920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074694/publication.md
observed 82cd260990b8f1ecff1ad9c95ee84da3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-30T16:41:51.468869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074694/publication.txt
observed 69c174ce3c2a93370826c53dcd8502da...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-12T04:23:44.524178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074694
observed 1735b95726af8afcc6477d6ea4a54663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-12T04:23:44.507867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074694/manifest.json
observed d0a7f2e074c6945364f88e6c35ce977b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-12T04:23:44.492333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074694/publication.md
observed 82cd260990b8f1ecff1ad9c95ee84da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-12T04:23:44.456559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074694/publication.txt
observed 69c174ce3c2a93370826c53dcd8502da...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent