OpenTechnical

OT-2026-000102592

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000102592) never changes.

Identity and time

Publication numberOT-2026-000102592 · never reused
Internal UUID01a0aea4-858b-78c6-859c-0e61e70596f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102592
StatusPUBLIC

Content hashes

Canonical texte61220794aa2ef932384ff135713c1f97c930b86d875fe6459bea60102e74f11
Markdown08b8855c44a22d5dffb73cd26495e07383e2874666a1b05aebd7df2cb2a6a76b
PDF
Publication page4a5505dc119f861a30cf3c74c4ef014bfe1e91d2d00d13998fb13171890098c0
Manifest3f7a99ae63c6522e71755a3b6bc7fb106ad65e3dbaa3d9771070932c286502f1

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
SignatureJ0CxbSZL/dxg6bPMnxNwI0IvmVKC1dwvx5c3lyxKFkl7Dv7mXRPy54qNdkIOaCkdj+cYf72xIin+Noqxbq0cBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:04.718989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102592
observed 4a5505dc119f861a30cf3c74c4ef014b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:04.699459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102592/manifest.json
observed 3f7a99ae63c6522e71755a3b6bc7fb10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:04.680547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102592/publication.md
observed 08b8855c44a22d5dffb73cd26495e073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:04.663014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102592/publication.txt
observed e61220794aa2ef932384ff135713c1f9...
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.