OpenTechnical

OT-2026-000080302

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000080302) never changes.

Identity and time

Publication numberOT-2026-000080302 · never reused
Internal UUID01a0ae96-7e77-7622-9ca6-a6ed49fe2836 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080302
StatusPUBLIC

Content hashes

Canonical texte3a073365aa14a55994bdaf6d31ddc6f7f8c17d8664ce5a0f3fd528b57cb57e2
Markdown1fa1dc2f94b85816c57e2213873350a16942edac27454ae26d6c1a7fd75f93d3
PDF
Publication page1097d15ca00787ce878f3b68014767f66bc71789b2ed7c808d854d511d980e30
Manifestd2ab700d14c3bccac014da1b235537387e44ce63d0f28e4d127cc008ccdf48ba

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
SignatureUwABO1k/1g2RHQRisW6MCL6+xD0JvkVJt3+55ByHNu+Ic9ebMO+PIul++kUg5fKvy+2L6Y0CLjksR1KFttUuBA==
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

2026-09-17T10:02:46.075758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080302
observed 1097d15ca00787ce878f3b68014767f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:46.057405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080302/manifest.json
observed d2ab700d14c3bccac014da1b23553738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:46.039945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080302/publication.md
observed 1fa1dc2f94b85816c57e2213873350a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:46.021753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080302/publication.txt
observed e3a073365aa14a55994bdaf6d31ddc6f...
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.