OpenTechnical

OT-2026-000088471

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000088471) never changes.

Identity and time

Publication numberOT-2026-000088471 · never reused
Internal UUID01a0ae9b-5d28-787f-9146-91130a7e2cb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088471
StatusPUBLIC

Content hashes

Canonical text7ec8864ef857786f23d42c69d27f1f5d775d40e9ae4e1e572006bb398f1682cc
Markdownb9e4c13dc14085581c6cd5e31ec72969bec2552991226193604600d1614e079c
PDF
Publication page56afabff5fecf6d4bacc2f0c0509ff082eb415bce91f4ac84654cead4fcd1736
Manifest38faaf7714c99a3c87f6e21d75ef92bc041dbbb749c18034530ddd44ea71da9f

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
SignatureZJZQaE3I8s+bgzAYGce0dAVjGxzqHDmD64m12U1P4uXQb2UHvf2BAUUA0ey3ILFXUBTPGC9FTgIiZykfdbRdCw==
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

2026-09-17T09:48:51.394543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088471
observed 56afabff5fecf6d4bacc2f0c0509ff08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:51.376761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088471/manifest.json
observed 38faaf7714c99a3c87f6e21d75ef92bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:51.360482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088471/publication.md
observed b9e4c13dc14085581c6cd5e31ec72969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:51.342569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088471/publication.txt
observed 7ec8864ef857786f23d42c69d27f1f5d...
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.