OpenTechnical

OT-2026-000087386

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000087386) never changes.

Identity and time

Publication numberOT-2026-000087386 · never reused
Internal UUID01a0ae9a-cd4f-7c40-8809-e39e188c6700 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087386
StatusPUBLIC

Content hashes

Canonical text37994923da55f2893f1a5a0887416163936564e1e2f8cf22d742a49f75d4d336
Markdownc388f7f90310637001d99e0f91d19cb567e03b15f5d39bcd9ba79be7ea08eb74
PDF
Publication page4414b1c2c3d0688b6530583537174eb03b80668e377eab5b6738b192a722380c
Manifesta75913dc036f6844ba81f747d11afae9fcf598dd20e0e7fa8c1d188667174128

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
SignatureCXq7+gysldNRLQBTGdS4ZgaBwu2ds7J3N57N5ZRuqCxIrrhJCabK3Zcu4nhj33as7cgOhVBhWoqhprtgEpERDA==
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

2026-09-17T09:50:33.419816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087386
observed 4414b1c2c3d0688b6530583537174eb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.399810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087386/manifest.json
observed a75913dc036f6844ba81f747d11afae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.383400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087386/publication.md
observed c388f7f90310637001d99e0f91d19cb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.366022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087386/publication.txt
observed 37994923da55f2893f1a5a0887416163...
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.