OpenTechnical

OT-2026-000012597

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000012597) never changes.

Identity and time

Publication numberOT-2026-000012597 · never reused
Internal UUID01a0ae6d-39f8-715e-9512-b478fd63dbf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012597
StatusPUBLIC

Content hashes

Canonical text7d24621be5a7f927c1317a9fab4f4d09915fbc4271782e8dc94cab971baac32e
Markdown2287f1afbd80788662a05221266694d7bdb9ecf3b9f734d337be8df566b47667
PDF
Publication pageffc9577fe77ab6a2db22972ebb3afd1df478d9bd28dd52bf0f89d20bc0beab72
Manifest985bcba3d658a0facd00cabb8974f0b62debdb7bc099f1816aba70519a270018

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
SignaturerQUFelqSMH+PqUlPcOzVWP2lydylj8sLZdqfCwQ++mxanjMbIpD3hQCUIM/04HdunT5B4YUrlEUKkHZzdpURAA==
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

2026-09-17T12:12:09.347251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012597
observed ffc9577fe77ab6a2db22972ebb3afd1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:09.330879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012597/manifest.json
observed 985bcba3d658a0facd00cabb8974f0b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:09.313431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012597/publication.md
observed 2287f1afbd80788662a05221266694d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:09.296325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012597/publication.txt
observed 7d24621be5a7f927c1317a9fab4f4d09...
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.