OpenTechnical

OT-2026-000018634

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000018634) never changes.

Identity and time

Publication numberOT-2026-000018634 · never reused
Internal UUID01a0ae6e-d520-7085-ab61-216e45ad1ecc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018634
StatusPUBLIC

Content hashes

Canonical text313db0319b0465766ef2950ffb84e88ceba7f595736cc39babd246437ac010a8
Markdown1193ae657b013f55f335cb49373fd02f33a218d2724d81e9f483c2d2f6f75a9e
PDF
Publication page98b9d0bd62b6dc7dfe3f82efa2ec7338ae0120c9ad7a1b94773971fdb6dd0137
Manifestbe0523ca5def7749d602560f0c2be7cec8502f36285b44ffebe1646c2c38a311

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
Signature5p9jfcs8zb6JWKEHIrpS3Q2CrToVnVUNnAC3B3lAtRJFRiUFZ1YnoUgFgbgOjOWoK6jupw/Ns4Bf7rNNlDsdBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:07.947435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018634
observed 98b9d0bd62b6dc7dfe3f82efa2ec7338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:07.930054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018634/manifest.json
observed be0523ca5def7749d602560f0c2be7ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:07.911202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018634/publication.md
observed 1193ae657b013f55f335cb49373fd02f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:07.891672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018634/publication.txt
observed 313db0319b0465766ef2950ffb84e88c...
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.