OpenTechnical

OT-2026-000023151

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000023151) never changes.

Identity and time

Publication numberOT-2026-000023151 · never reused
Internal UUID01a0ae70-7266-750c-a097-1df9efd817e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023151
StatusPUBLIC

Content hashes

Canonical texta3918ba2880445f4cda140bd7f393ea30ba32df181ec6a2dbf7f972e2cb15993
Markdown518a7e954d4f1e63ac30da8a7a9e01484b90cc872180c006540bcd4ebca97115
PDF
Publication page4fb2fc27948f7485d8becd3e1922cdcf9e5a1530a43a52782b2643c31dc568ea
Manifest0c81acfa64feeff85b0c68c245cb23bbd4d1804dcb82fa2d0b729fd21aaef371

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
Signatureh/aULVZ4S/YTec6V22GU21uTbcSiazR+xmirDICodLHpCC76sN7e4VG4BpHeTa3dBrCDrcLVEAMWBS03pa3IBw==
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

2026-09-17T11:51:05.302015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023151
observed 4fb2fc27948f7485d8becd3e1922cdcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.286781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023151/manifest.json
observed 0c81acfa64feeff85b0c68c245cb23bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.268270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023151/publication.md
observed 518a7e954d4f1e63ac30da8a7a9e0148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:05.251662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023151/publication.txt
observed a3918ba2880445f4cda140bd7f393ea3...
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.