OpenTechnical

OT-2026-000008660

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, vented 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-2026-000008660) never changes.

Identity and time

Publication numberOT-2026-000008660 · never reused
Internal UUID01a0ae6a-e46b-7b93-9772-49dfa90a8ad2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008660
StatusPUBLIC

Content hashes

Canonical text9b3fde29595c79d53861b7f9dabd68410d5993d6a4410699986dca444569039d
Markdown6a8df5529463af22bcb403809b704cc2dd655cccb152942e75920a48396c5832
PDF
Publication page04ca8eef698d6954226275b57d9a1963f1ba980217d087da4fcbb86c9fe1df6a
Manifest42d32ba26ef34e045fee1608ae488c262388750ebf999c88286a3bcfecc14bb3

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
SignatureU4soxrXO9JUgLk40JGt0owLomJN1aaF8ku8HRKPgD7sDxgFF8CzlyXYoC2FaG5wd17743Ng4WCXEJ31D2Ta4DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:38.340558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008660
observed 04ca8eef698d6954226275b57d9a1963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:38.317568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008660/manifest.json
observed 42d32ba26ef34e045fee1608ae488c26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:38.297832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008660/publication.md
observed 6a8df5529463af22bcb403809b704cc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:38.273940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008660/publication.txt
observed 9b3fde29595c79d53861b7f9dabd6841...
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.