OpenTechnical

OT-2026-000045656

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000045656) never changes.

Identity and time

Publication numberOT-2026-000045656 · never reused
Internal UUID01a0ae7d-8f03-7093-af1a-cfbd151887b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045656
StatusPUBLIC

Content hashes

Canonical text7cf7d0f3b6f20e7a532228f599923099f6136c1a0f6742abc671f83d74849a09
Markdownd7a4d2757bc8ec7dbd7507860e0ee8f363ddae4fc441a7e181137ff737b68ba0
PDF
Publication pagef8babdfc4decd795b05c7428b34edfdc63d51d81aa6f313c432d20b52aa3cc60
Manifest907ea044bfd9cfa4be54db94a7e15d197bdb002d82bbd606e98d0004d535fcf2

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
SignatureCy9yvXSGxj5TbjYf3eLZwl0qRXQuBO4gr48BFCxG4orF9+97SYWoDUEOykAirs+Sd/qZx8qSqc0UYyQBwjwsBg==
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

2026-09-17T11:09:26.881017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045656
observed f8babdfc4decd795b05c7428b34edfdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:26.860972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045656/manifest.json
observed 907ea044bfd9cfa4be54db94a7e15d19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:26.839565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045656/publication.md
observed d7a4d2757bc8ec7dbd7507860e0ee8f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:26.819813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045656/publication.txt
observed 7cf7d0f3b6f20e7a532228f599923099...
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.