OpenTechnical

OT-2026-000074412

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000074412) never changes.

Identity and time

Publication numberOT-2026-000074412 · never reused
Internal UUID01a0ae93-717a-76d0-b490-2db343e609ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074412
StatusPUBLIC

Content hashes

Canonical texta8512c2ba315c7f3cd4dab618df5da12287a594e38e47e979aa4b7a40f860767
Markdownd29921f802c25a2f32d36e7ca7613a5babb19f3ff381a1739d98fb589343c846
PDF
Publication page6c1ecef4d0ada1b2c456fb2ef1419da22de295a4a30c490d05b4844e9690fabe
Manifest488587c2ba89f388244b3124fbb6c7556f28e5d6d987a06ef0de2257e72c1bc9

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
SignatureYIkdZaT/ajMgB8zDeyoWQQohcS6SLWycnsrbUfu0OdlPZxiJJ4lwyaYYF7hLL83fZZH59kxV+HixId//BaNLCw==
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

2026-09-17T10:19:21.324806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074412
observed 6c1ecef4d0ada1b2c456fb2ef1419da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:21.305178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074412/manifest.json
observed 488587c2ba89f388244b3124fbb6c755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:21.287517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074412/publication.md
observed d29921f802c25a2f32d36e7ca7613a5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:21.267556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074412/publication.txt
observed a8512c2ba315c7f3cd4dab618df5da12...
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.