OpenTechnical

OT-2026-000008073

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000008073) never changes.

Identity and time

Publication numberOT-2026-000008073 · never reused
Internal UUID01a0ae6a-908c-73c2-ba77-f2d9983ab392 · 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-2026-000008073
StatusPUBLIC

Content hashes

Canonical textfb65fe8ce441957d5c8aa7bfecc6b64cba71ef24dc9f636ea0be43f3f07bb2db
Markdowncfb64fb71d6e0660426ad26249616f10b714594f1e69d34bc584beb47c986a26
PDF
Publication pagec725580351d309c1d1b60464f1a5e045e28928bfec54bdcfea00f4da2468d953
Manifest28f931a0ea4188e006d87a508fcf030c202a2295f5fee6e018a182214e5ca418

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
SignatureeBDBMfWTpEtsE5dftzavt67vXZb9cm04yGyq5yUpZ1AL5320YVcrf+pWKfzt4aI5e6WCL/szUNoMvBXDpcCiBQ==
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

2026-09-17T12:20:40.374238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008073
observed c725580351d309c1d1b60464f1a5e045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.352534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008073/manifest.json
observed 28f931a0ea4188e006d87a508fcf030c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.331930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008073/publication.md
observed cfb64fb71d6e0660426ad26249616f10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.314490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008073/publication.txt
observed fb65fe8ce441957d5c8aa7bfecc6b64c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.377529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008073
observed c725580351d309c1d1b60464f1a5e045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.358801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008073/manifest.json
observed 28f931a0ea4188e006d87a508fcf030c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.340747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008073/publication.md
observed cfb64fb71d6e0660426ad26249616f10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.322396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008073/publication.txt
observed fb65fe8ce441957d5c8aa7bfecc6b64c...
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.