OpenTechnical

OT-2026-000088729

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000088729) never changes.

Identity and time

Publication numberOT-2026-000088729 · never reused
Internal UUID01a0ae9b-8f10-7668-ac62-657e822a4af5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088729
StatusPUBLIC

Content hashes

Canonical text28e88d9f2c9d53ca3261d453228d28c3bb6143e78820f2b0f579c7e0cde53ca3
Markdownf360a2d2f12916d8fe50fb645fb7a2e7f0d35df159f2dd70d358cd361c4fe73d
PDF
Publication page97dac288f0454d073bac0b264c5bcdb0f850a58d7d01667fb17514024e3ad9c8
Manifestee10dc7a6607297db57c41864d0bcfa9f95ad4d0ba72bab15761dee7c8e73698

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
Signature2aoRdG+UY+zZpDWDqcHVIVzFoocvzaXvMHoLcPMDmWwx/Q07yPfBX5CSBXdvciKD/bSCZpmy+8qD2EvSFT8oDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:58.348024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088729
observed 97dac288f0454d073bac0b264c5bcdb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.331961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088729/manifest.json
observed ee10dc7a6607297db57c41864d0bcfa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.314944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088729/publication.md
observed f360a2d2f12916d8fe50fb645fb7a2e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.299335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088729/publication.txt
observed 28e88d9f2c9d53ca3261d453228d28c3...
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.