OpenTechnical

OT-2026-000038395

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000038395) never changes.

Identity and time

Publication numberOT-2026-000038395 · never reused
Internal UUID01a0ae78-2d52-7a69-bf8d-403322602116 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038395
StatusPUBLIC

Content hashes

Canonical text7ecc6b07c16bc9a6bc47935f2ca1b1e3bee2811d1700ef17bea18c3a54f7dee2
Markdownc35b57f5c8af191b4e9fa9fe3b3750027feb907db54797679bbd38c8c7b739fc
PDF
Publication page297b34dd22e19296714e43b238d0e77a0f9fdfb8d83035b6e5d81b6ec519fcba
Manifest819119588c1e57d370dfadf23881c7120120cc24395262c11b3c25f3e1897973

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
SignatureP3tnaqd37syUHupVDXkymnmkWBo7fGOoClLg9iMKNT4kEKkwXl+WRW3GqF9aJvab/lgyAWNnnH81mr2jb5loAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:36.191833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038395
observed 297b34dd22e19296714e43b238d0e77a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.173648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038395/manifest.json
observed 819119588c1e57d370dfadf23881c712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.156150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038395/publication.md
observed c35b57f5c8af191b4e9fa9fe3b375002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.137947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038395/publication.txt
observed 7ecc6b07c16bc9a6bc47935f2ca1b1e3...
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.