OpenTechnical

OT-2026-000036158

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000036158) never changes.

Identity and time

Publication numberOT-2026-000036158 · never reused
Internal UUID01a0ae77-01ce-759e-8b38-582013017d64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036158
StatusPUBLIC

Content hashes

Canonical text3659e48227b0d80aa2258378ecc7bcee2eb9192639da7d94c9f20826682c8d8e
Markdown21187d30078215344441cae92c6337a5509b8a71578cdca58ef14b35507f2173
PDF
Publication page4b9e05a73fef1bfcb7a00d78d8a9f37b618bdf575489096eefd918d1ba9a9d36
Manifest7787181eb9595669f12e3572dd0e660114f58d89660e8a2ccc97089c73d3518f

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
Signature4le5o2NL0BHzAyNIJ8KrxGeexzVHPac07/jJsjSn8Mrck7J35hTB0o2jaagwH58/OkKbJoOTKBCE1vJpbr1RBQ==
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

2026-09-17T11:26:22.946179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036158
observed 4b9e05a73fef1bfcb7a00d78d8a9f37b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:22.924889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036158/manifest.json
observed 7787181eb9595669f12e3572dd0e6601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:22.905760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036158/publication.md
observed 21187d30078215344441cae92c6337a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:22.884570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036158/publication.txt
observed 3659e48227b0d80aa2258378ecc7bcee...
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.