OpenTechnical

OT-2026-000075387

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two 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-2026-000075387) never changes.

Identity and time

Publication numberOT-2026-000075387 · never reused
Internal UUID01a0ae93-f201-7c7b-a6e7-2f0d9c8b0d08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075387
StatusPUBLIC

Content hashes

Canonical textd49acfae2bc564480e3140bf507cfaa94cd2c5c1363c81033c978fc5bd6151b3
Markdownada3f129c098c91b1f3392b4d39bf6d9de55cc55495d5cfc55a302eadec35d49
PDF
Publication page9f3bd058b88ee4f1e62be472c3660fa8a3a4ed7b0ec0b45043e2d41f2da6e155
Manifest51cc361130e401f146d281c5192d84693b8416331e64ecdaaecc42d4166b35a0

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
Signatureka+i8K54n93lTE6HLE1/7Lsn2ZwBJ6DRFTZ/7i+ykgbj4WgWHaaNcLZ19hc2fPQt7hOeOrB3zkLJYSAkCemtDA==
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

2026-09-17T10:17:25.981531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075387
observed 9f3bd058b88ee4f1e62be472c3660fa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:25.962190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075387/manifest.json
observed 51cc361130e401f146d281c5192d8469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:25.942000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075387/publication.md
observed ada3f129c098c91b1f3392b4d39bf6d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:25.797489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075387/publication.txt
observed d49acfae2bc564480e3140bf507cfaa9...
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.