OpenTechnical

OT-2026-000076761

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000076761) never changes.

Identity and time

Publication numberOT-2026-000076761 · never reused
Internal UUID01a0ae94-b06f-73c2-b9ef-3e62e66ac43f · 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-2026-000076761
StatusPUBLIC

Content hashes

Canonical textf8e7f2741e92688961dc8f7fe79f32707547fac933f388ddb940e628a61c8064
Markdown5312f518d6094ef0f6be12e38652bed3cc9eacb82778ea071cec66579a571a23
PDF
Publication pagee317d72d181a644ec0d314c63d304b3fd09906bd5a14dcdb1de397aa73d907be
Manifest97cd5f97e37d709d86c17f6a96440521d64217a76366ac8c8c6e6880ab5f1a72

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
SignaturegTU0MaZFx50TU+QpcO3ap+KqYPzVD3WBeBdL8ud2ylFzLAI0KBdvWGccCh4rS1CXgF+FgmTwHS4+ao2xWYcHDw==
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

2026-09-17T10:09:37.155409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076761
observed e317d72d181a644ec0d314c63d304b3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:37.137619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076761/manifest.json
observed 97cd5f97e37d709d86c17f6a96440521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:37.118914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076761/publication.md
observed 5312f518d6094ef0f6be12e38652bed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:37.099428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076761/publication.txt
observed f8e7f2741e92688961dc8f7fe79f3270...
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.