OpenTechnical

OT-2026-000068845

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000068845) never changes.

Identity and time

Publication numberOT-2026-000068845 · never reused
Internal UUID01a0ae90-6dcc-78c9-b927-efe4d9c28e43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068845
StatusPUBLIC

Content hashes

Canonical text9987e2dd0ded53e0cedc3b8c15ebb51a8e06d80a01cf714e2696674c2fc0cb94
Markdown415cda3465c4e7ff06b2f6595230b452d41869614d0682dd524e0c9cca75c34f
PDF
Publication pagee69760ef20d21a2f1fe63f7022ab8103a78be97b1faa6bcf013737aef08de01d
Manifest1f9f0286df26047ed8ab95a2438fac21f9248cfbe004ffdc38aa02d554252d06

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
SignaturevVUNyIWcS/+e16b2SVtIZ8fiRC5qYO7Ggxa25RSKuoZPalumUEfWhmYXbAXZXqL5iiuvt30Ik7Ul/uQ06tD9Aw==
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

2026-09-17T10:28:39.351145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068845
observed e69760ef20d21a2f1fe63f7022ab8103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:39.334300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068845/manifest.json
observed 1f9f0286df26047ed8ab95a2438fac21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:39.317122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068845/publication.md
observed 415cda3465c4e7ff06b2f6595230b452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:39.298272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068845/publication.txt
observed 9987e2dd0ded53e0cedc3b8c15ebb51a...
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.