OpenTechnical

OT-2026-000079317

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000079317) never changes.

Identity and time

Publication numberOT-2026-000079317 · never reused
Internal UUID01a0ae96-0b90-7bc1-97cc-425ba51e2e9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079317
StatusPUBLIC

Content hashes

Canonical textbcc7e5df08178ab0a8fb52b12303a7cbe78467a7a56529b005209f904204df3a
Markdown2f6c01ad31cfe9cf4612660dc47f8990d2205f35f53cc253ea702a3d87af5a3a
PDF
Publication page43e72782f5cb7832ed17b0b4d686155cb406d3644340541c305fd42559f92f33
Manifest77bdcfce0bf7b9066c29b571a1d7ed5c1a4bdbf0d73e7bc90f88c979b79b3710

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
Signature25VDm1sKv0Xw3P30fhFWtrQByIJWC/1pcYK4vVYQ+iofob2G/pyEVprkzxcBj6RE5Xl1U0My7YjfJZ0PDz/4Dg==
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

2026-09-17T10:04:55.708318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079317
observed 43e72782f5cb7832ed17b0b4d686155c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.688949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079317/manifest.json
observed 77bdcfce0bf7b9066c29b571a1d7ed5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.671899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079317/publication.md
observed 2f6c01ad31cfe9cf4612660dc47f8990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.652974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079317/publication.txt
observed bcc7e5df08178ab0a8fb52b12303a7cb...
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.