OpenTechnical

OT-2026-000071605

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, supply line 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-2026-000071605) never changes.

Identity and time

Publication numberOT-2026-000071605 · never reused
Internal UUID01a0ae91-e0ee-7e12-9b73-27ad60cd061b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071605
StatusPUBLIC

Content hashes

Canonical text2b43a0af918ac0d3629207dadc2787527850944238aa8ded37918296e24bf56a
Markdownb0397de0870eb57a5183e9941e0f8ee02657b1180c29eb393779450040f6451d
PDF
Publication paged5fdaf57e023c3fc96f1ecb415419bcc6ffde2b1213ba1db1aed8869a2023863
Manifest99a4c0d7b8c20dfaee9cc95a08c4dce2feacc1ba1a9330efd31a4c2d2eea3e46

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
SignatureUnTtpq44cu/URm9DddBs4d0vDpVu9X4culCys05ffeA+ot22IgfNSYH93bBWo2PD/HLD2wcB1zHEloe3v1izCw==
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

2026-09-17T10:25:15.450680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071605
observed d5fdaf57e023c3fc96f1ecb415419bcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:15.431283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071605/manifest.json
observed 99a4c0d7b8c20dfaee9cc95a08c4dce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:15.410737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071605/publication.md
observed b0397de0870eb57a5183e9941e0f8ee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:15.391940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071605/publication.txt
observed 2b43a0af918ac0d3629207dadc278752...
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.