OpenTechnical

OT-2026-000023006

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000023006) never changes.

Identity and time

Publication numberOT-2026-000023006 · never reused
Internal UUID01a0ae70-46ec-7f4d-99e3-00f10a51c7a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023006
StatusPUBLIC

Content hashes

Canonical text7d4b7cfce127a3a4910b4b0c844f86ec337689527c3bfdb523ec35312bdd153d
Markdownd9c759417039364a485d686081fd73530d446a95a2754580c900b9026ea3ad4f
PDF
Publication pageb3e37ca1a3c8dbfe32711c9370b029bd8222efa8e76cbe0b227fc2eedf372bb0
Manifestb196ba5b27556355e5203236395619f610ee43b234d9eb66451cf9b786938354

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
SignaturetLFSE16pQ8AuXPR0NLl41cJc6bePH9huUiPej/Xm9SbRuCO1zuqz2yX0lZ1A5gQMoDEZz216CMbhr5+UVahNDA==
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

2026-09-17T11:52:36.068516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023006
observed b3e37ca1a3c8dbfe32711c9370b029bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.050993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023006/manifest.json
observed b196ba5b27556355e5203236395619f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.031192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023006/publication.md
observed d9c759417039364a485d686081fd7353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.013400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023006/publication.txt
observed 7d4b7cfce127a3a4910b4b0c844f86ec...
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.