OpenTechnical

OT-2026-000082289

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, sustained 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-2026-000082289) never changes.

Identity and time

Publication numberOT-2026-000082289 · never reused
Internal UUID01a0ae97-4d94-7c66-aa3a-ff01d9f67fb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082289
StatusPUBLIC

Content hashes

Canonical text3dc653309af04f031e3a5ff778ac7a2517c735d94b73dd9f48c71f0348e0fa8e
Markdowna0dbae065c757989c3b82748dec179c49704ebd68aa50b3a3d3686f7d2530805
PDF
Publication page45b3bd9c465bfa71476d5b3bd3fc2a22b27258fd41b51ebd718c3e1d33d5699c
Manifest785062b300ec0f5d04eb033b09143af1ec02f306eb22a2782a04544a9b70154e

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
SignatureqRwx3bpmX/2M4sYGDDCBsPjHvBm6v0AllqA/ZVq2vBzJsbqLbBnSA02D5KSP+lnp6tCHVCWwnWVvkUCE2WS2Ag==
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

2026-09-17T09:59:08.893906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082289
observed 45b3bd9c465bfa71476d5b3bd3fc2a22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.877796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082289/manifest.json
observed 785062b300ec0f5d04eb033b09143af1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.861136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082289/publication.md
observed a0dbae065c757989c3b82748dec179c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.843494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082289/publication.txt
observed 3dc653309af04f031e3a5ff778ac7a25...
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.