OpenTechnical

OT-2026-000069239

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three 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-2026-000069239) never changes.

Identity and time

Publication numberOT-2026-000069239 · never reused
Internal UUID01a0ae90-b528-7720-a596-c5f4f0672dff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069239
StatusPUBLIC

Content hashes

Canonical text5f70b7b9299bd599ec3cdd10520a0dccca80420f193bfe08eb5184c86cab68bc
Markdowna909eb61dfea9affa9e6a0c5243c3c304528df47cced322b80168ba5a47bf12b
PDF
Publication page729d328a35c0724a2110ad06ab1e3f298f2d99f1fd1dea0ed542d77b8960e5de
Manifest41ee9544246a3f4826ac2a833d54d1e5c58cbb701c5e70346eb4684ee4aa32fd

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
SignatureH/pKrmwHMMDP70htBFuL1u7VFVzmif9mGJuMBGPnWfV4zi76795PsoHSfrvnDSfO1CTXJUojtNrVcIkkWfe6Cw==
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

2026-09-17T10:27:18.546060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069239
observed 729d328a35c0724a2110ad06ab1e3f29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.528345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069239/manifest.json
observed 41ee9544246a3f4826ac2a833d54d1e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.511406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069239/publication.md
observed a909eb61dfea9affa9e6a0c5243c3c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.494155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069239/publication.txt
observed 5f70b7b9299bd599ec3cdd10520a0dcc...
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.