OpenTechnical

OT-2026-000077629

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000077629) never changes.

Identity and time

Publication numberOT-2026-000077629 · never reused
Internal UUID01a0ae95-2ecf-7207-abfe-a2682e76b402 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077629
StatusPUBLIC

Content hashes

Canonical texted7e755d26037eee59d393653beb24f004a264a93247397eae2955be480ab6a8
Markdown1b248418ec2aeda4d630eeca9b2f4941044c6365964fcdc69267721b691f5da3
PDF
Publication pagee89cb83230b2fb40d5dadbc59110d42f3beafaf90e734c49fabb7ddb63854c72
Manifest30d4b0df9f22f3f883b407b6a6ef81a5beab76b447c53f64bdd00bb2e44c5696

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
Signaturel6j1SRZZy3s+zdwWBSiL37Q6ARThIGleKoLr84fuU3JxU6/IEIS2azzMO7EWCPwytOp8ydk5UQNw4stIRNIMCA==
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

2026-09-17T10:07:11.564631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077629
observed e89cb83230b2fb40d5dadbc59110d42f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:11.546084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077629/manifest.json
observed 30d4b0df9f22f3f883b407b6a6ef81a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:11.526559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077629/publication.md
observed 1b248418ec2aeda4d630eeca9b2f4941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:11.507626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077629/publication.txt
observed ed7e755d26037eee59d393653beb24f0...
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.