OpenTechnical

OT-2026-000067750

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000067750) never changes.

Identity and time

Publication numberOT-2026-000067750 · never reused
Internal UUID01a0ae8f-c4fa-7a59-a552-01cd30f794c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067750
StatusPUBLIC

Content hashes

Canonical textc3f20b81ac0a7cc84561eb9662af98917a3ca035ab09f1f48288ec453e08f322
Markdown22740165f59dfd1c6e6540c14d5117896d40020cf00ec5d92210e987bc97ce3f
PDF
Publication pagea944b67afe0ef8145a5ef8481fda6f1bcd0dbcf7558f943c43360d7a8e0a876b
Manifestc42c27766a30c927ac248065d0405695836976f0968eef12ab308ddf4c3fa365

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
SignatureZ8GMinTW+Am/YitdW0X6yHRGDZYfXzlCBZweo8J+y5mkw1Tf+Y6cZYWRoYGmqpM0dojd2TfGVldqZYlhglByBQ==
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

2026-09-17T10:29:58.509875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067750
observed a944b67afe0ef8145a5ef8481fda6f1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.493350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067750/manifest.json
observed c42c27766a30c927ac248065d0405695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.474866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067750/publication.md
observed 22740165f59dfd1c6e6540c14d511789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:58.456487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067750/publication.txt
observed c3f20b81ac0a7cc84561eb9662af9891...
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.