OpenTechnical

OT-2026-000073316

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented before set-down

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-2026-000073316) never changes.

Identity and time

Publication numberOT-2026-000073316 · never reused
Internal UUID01a0ae92-efb7-744c-a99b-149bd0ccc04b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073316
StatusPUBLIC

Content hashes

Canonical textc1ed1c639ab2fb7878235227c873e40f4806af73e289dc1197a5ffbda25b9750
Markdownbb82eb3527e083a7aad7effc48fe2327e743062eb2c04bce95b54772c79f763e
PDF
Publication paged05ff3d412df0f220416d3e3e5d9b8ac65c4b1364659948cef3c2f04b371cb0d
Manifest36e2a38646b1d5404959568433d8cbbce49b61633b36ab658f2d9e44f2b31f0d

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
SignatureO/GtZx1eQ2pAu5mda/PPIQeFTs8jOHZqH0bCIgVpmxkxoKoOP7PDC2jtOvMMjCrnuzTrUGiDA0jh7b7uebdaCA==
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

2026-09-17T10:21:19.754038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073316
observed d05ff3d412df0f220416d3e3e5d9b8ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.734674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073316/manifest.json
observed 36e2a38646b1d5404959568433d8cbbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.715141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073316/publication.md
observed bb82eb3527e083a7aad7effc48fe2327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:19.695742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073316/publication.txt
observed c1ed1c639ab2fb7878235227c873e40f...
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.