OpenTechnical

OT-2026-000069102

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000069102) never changes.

Identity and time

Publication numberOT-2026-000069102 · never reused
Internal UUID01a0ae90-6dce-7774-939e-a26c3fc82282 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069102
StatusPUBLIC

Content hashes

Canonical text35e0d73cd33411975ad7ba659c90c3b6e61f1024bda0e22de367cebdc9e4da0b
Markdown340513d8fc2219442fce593a722b7d73d1063e67658fb64447266cb5eaef4616
PDF
Publication page5cc8801449d94ffe50f474ef5ce2ade6be4a0265ea7a272c5898c919a526bc49
Manifest61f37d7ff9296ab4075e2b07e982247946041ef7a6a3dc10323e5963a16795fa

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
SignatureS/U0V2e5hBKSrdcNlEeprU7esgL2UEm2psMge27nCrglznbIDA3s5owGbAqfiZRKRgcCCgp7W8k+nmpueMWHDw==
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

2026-09-17T10:28:58.649928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069102
observed 5cc8801449d94ffe50f474ef5ce2ade6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.632190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069102/manifest.json
observed 61f37d7ff9296ab4075e2b07e9822479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.613369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069102/publication.md
observed 340513d8fc2219442fce593a722b7d73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.595080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069102/publication.txt
observed 35e0d73cd33411975ad7ba659c90c3b6...
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.