OpenTechnical

OT-2026-000008012

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained blow-off after 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-2026-000008012) never changes.

Identity and time

Publication numberOT-2026-000008012 · never reused
Internal UUID01a0ae6a-908b-72d3-b344-96cda2fe5083 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008012
StatusPUBLIC

Content hashes

Canonical textff84ad276a12030f234e03035a2ea7f03caacb7ce016688b3d5f6e81c7dbae9c
Markdownb0a40ae3b05beeb9d34325b19606fdb7fcff768bddc371b9d36f35a61122504a
PDF
Publication page7419d638eb4dffeef1a1a9dd7e85c3853ae242c6494c6cf09cc35e903c07a223
Manifestf888ed296299210b917163319000e345310e68b79869578680f0a691e384596e

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
SignatureRI1jqiCdrcUWE6p+KIUGpzHz8VQOAtHBzyb/IS6CkjHZV3wLs6f0a3CZwOMcIR+2+7NUc7Lo9++KJeFbre5kBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:33.846783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008012
observed 7419d638eb4dffeef1a1a9dd7e85c385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.826766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008012/manifest.json
observed f888ed296299210b917163319000e345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.809181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008012/publication.md
observed b0a40ae3b05beeb9d34325b19606fdb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.790138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008012/publication.txt
observed ff84ad276a12030f234e03035a2ea7f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:16.686358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008012
observed 7419d638eb4dffeef1a1a9dd7e85c385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:16.667641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008012/manifest.json
observed f888ed296299210b917163319000e345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:16.650278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008012/publication.md
observed b0a40ae3b05beeb9d34325b19606fdb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:16.630007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008012/publication.txt
observed ff84ad276a12030f234e03035a2ea7f0...
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.