OpenTechnical

OT-2026-000089413

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089413) never changes.

Identity and time

Publication numberOT-2026-000089413 · never reused
Internal UUID01a0ae9b-db01-7abd-8e3e-c511bebb2ba1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089413
StatusPUBLIC

Content hashes

Canonical text944331e68f1fb533c4ed725b9b095c7271e9b0e22cd17b95d546324f25826787
Markdown2dd3c4969bcc26d838b90eee83c04247c74ea6ec713f54c264fc4c19992bce9e
PDF
Publication pagea25e304b6706db9ca46b26e1ba98048ce98767eb44f072e7e56ebbaa7f41139d
Manifest3e5c1ac4ffbad0c49bf583b8568dbff14c8abb75c75c1e5d890ccc9ec82e7795

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
SignaturetCI36JO1qvtEP/rlv3hahhqUKNM4mromV3+rlPXeM2kD+r/pGzhd87kPgyxpysRL1PMM44BvDtS++X8CCx3hCQ==
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

2026-09-17T09:47:33.263185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089413
observed a25e304b6706db9ca46b26e1ba98048c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.246529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089413/manifest.json
observed 3e5c1ac4ffbad0c49bf583b8568dbff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.224157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089413/publication.md
observed 2dd3c4969bcc26d838b90eee83c04247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:33.194953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089413/publication.txt
observed 944331e68f1fb533c4ed725b9b095c72...
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.