OpenTechnical

OT-2026-000076946

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000076946) never changes.

Identity and time

Publication numberOT-2026-000076946 · never reused
Internal UUID01a0ae94-b071-74f3-85c5-b95137df3a91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076946
StatusPUBLIC

Content hashes

Canonical text040a1974efe559a7df6b43623a41b4c16fb138c45838b8bfa6fe9310ca106828
Markdown53e6b6cc8f2c92547fd156c7a76656a5c4529b228246bcad4fa0fcc26f21d4a8
PDF
Publication page49f4953a2836ca5cc06aea0a7f696ef58355b353dcf5c6de69dca2f12aebf1a5
Manifest65b466b090270be0f1080e461bd854bc1bafee23f8cb0dba57318de8b212fb1f

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
Signatureq2dYBSK779gMIVBYJpsHS7m1L7lOEgm57JmK/5meuoWFUlH0PtuKGm9pSwHB0knmATiUWiLwdG2nKAoOZ1A+Dg==
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

2026-09-17T10:10:05.993745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076946
observed 49f4953a2836ca5cc06aea0a7f696ef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:05.974419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076946/manifest.json
observed 65b466b090270be0f1080e461bd854bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:05.955396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076946/publication.md
observed 53e6b6cc8f2c92547fd156c7a76656a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:05.813276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076946/publication.txt
observed 040a1974efe559a7df6b43623a41b4c1...
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.