OpenTechnical

OT-2026-000076879

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000076879) never changes.

Identity and time

Publication numberOT-2026-000076879 · never reused
Internal UUID01a0ae94-b070-756c-b8b2-c8e20903a907 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076879
StatusPUBLIC

Content hashes

Canonical textaac2b4c6faeaa23f7287796b246142a8d0da896f545bb95c0528610758c86c79
Markdownc6aa896747e943f02f3191551bf981e15732d0ab679d520e3a8b0e30afc5649b
PDF
Publication pagea0ce4fc712a434997c74de5d64f5e09676e5196f96647a6a8a03b794dcdebc2c
Manifeste82716d21bf056640e429510cab42bb99e4c50a29b45c8e75d5fb734aad0658f

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
SignatureFg2AjjIu2v1gd3SDw9T8SZrfnDg/nzb/a5SiSDGN4PA/oItN91ytPvaSVAcNBQUEoH9f4iEPm04jYDzKbF6tDQ==
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

2026-09-17T10:09:46.864058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076879
observed a0ce4fc712a434997c74de5d64f5e096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.844004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076879/manifest.json
observed e82716d21bf056640e429510cab42bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.823265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076879/publication.md
observed c6aa896747e943f02f3191551bf981e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.802964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076879/publication.txt
observed aac2b4c6faeaa23f7287796b246142a8...
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.