OpenTechnical

OT-2026-000078379

Publication integrity record

Three 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-2026-000078379) never changes.

Identity and time

Publication numberOT-2026-000078379 · never reused
Internal UUID01a0ae95-7c28-7158-8480-bbe6e5226d18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078379
StatusPUBLIC

Content hashes

Canonical text241086689be64faea412ca7c66a5220b60aa06be913fbc77d3067175525b9647
Markdownc7f9b1a7eaa5a3ee3205251db2b85d77ac7eb1181e9c287b38df8d4e9de0a6e2
PDF
Publication page66c4bd3e62ffa1eff357574b40b98f391008c9a623c39d1718b5d73249d34ba3
Manifestff4cf19782ba241c56ef291ae3e9d6c36bb075c54dd096c74271fdee8b4e368b

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
SignaturesxAzgHg1e8FiRh5WMno6y6f4lvlnYydgqk3C6WENaCaUYGqLCFIHzga+4qKBeMR6X3s2ze1XhHFLlvX5ml5NCA==
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

2026-09-17T10:06:21.060012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078379
observed 66c4bd3e62ffa1eff357574b40b98f39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:21.041774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078379/manifest.json
observed ff4cf19782ba241c56ef291ae3e9d6c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:21.023322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078379/publication.md
observed c7f9b1a7eaa5a3ee3205251db2b85d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:21.005942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078379/publication.txt
observed 241086689be64faea412ca7c66a5220b...
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.