OpenTechnical

OT-2026-000073544

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold 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-2026-000073544) never changes.

Identity and time

Publication numberOT-2026-000073544 · never reused
Internal UUID01a0ae92-efb9-77a2-ab5a-55ec14997475 · 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-2026-000073544
StatusPUBLIC

Content hashes

Canonical texta57595dcfe486600aa691d70d23989da4b19623e42069520537b35f9d07b76e1
Markdown013163ce590b7ff199030d880b2c7aa9e8a8fd1e3ccce13c005518968adb0d90
PDF
Publication page5e40816ab9fb566eb7798a2b13d3c70f256f1851d94b674d46abeb5080690aa0
Manifestc657b7e8bf6f764839912ff59e40e93a980368dca438b827323c1f24646a5734

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
Signature+Ot0LCuNHO3LRPxOj4QnQVhhiclvH5M49v3KQz0UouIfe3XCLTpDrRqe3XXEtVDOwXoNosrvsQ7lcds/GM/1AQ==
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

2026-09-17T10:21:43.021078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073544
observed 5e40816ab9fb566eb7798a2b13d3c70f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:43.004023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073544/manifest.json
observed c657b7e8bf6f764839912ff59e40e93a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.986912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073544/publication.md
observed 013163ce590b7ff199030d880b2c7aa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.969222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073544/publication.txt
observed a57595dcfe486600aa691d70d23989da...
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.