OpenTechnical

OT-2026-000068979

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000068979) never changes.

Identity and time

Publication numberOT-2026-000068979 · never reused
Internal UUID01a0ae90-6dcd-764d-895a-532317fa57d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068979
StatusPUBLIC

Content hashes

Canonical text5650c263c8a4f16f0300daf92ffb36a3e31f0714f02bf070406a01379bf2375c
Markdown70ad26b4663e29677e57baade69281055bc1cb520797a93bce0a4d542bd35263
PDF
Publication pageb5c25eabd82737bf6905859e3b3ff6b41ffe463b970bd2aadb3c5fdcd06952ad
Manifestbe9f91ba5bdd7691f5a33dcd1eb4eac7e5c529eac5dbc48cfff19b44194f1c60

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
SignaturehJ3zzloTq+8jUEVXy3vUsTYzf8MnEqZQTX7dY5kTWyrvV9ctHYETVwdPNemygc2d9iKv+a6u4QWk+9B2wx6/BA==
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

2026-09-17T10:28:49.130471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068979
observed b5c25eabd82737bf6905859e3b3ff6b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.113452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068979/manifest.json
observed be9f91ba5bdd7691f5a33dcd1eb4eac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.096881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068979/publication.md
observed 70ad26b4663e29677e57baade6928105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.080603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068979/publication.txt
observed 5650c263c8a4f16f0300daf92ffb36a3...
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.