OpenTechnical

OT-2026-000077365

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000077365) never changes.

Identity and time

Publication numberOT-2026-000077365 · never reused
Internal UUID01a0ae94-f509-7d47-a199-3ae16762ce58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077365
StatusPUBLIC

Content hashes

Canonical text4e68abc6bb1b38dbb323ffb5cb097a55007e3a7a4a9788c881a6009288f924c2
Markdowna15081ad146cf7005564ac2e8324749dbd163a72d3ada701aac410d890fdfeac
PDF
Publication pagec207c1af57c99d688995181d9c6a0463265f09e1f8e49e76394f6a0ea510cbc7
Manifest376a7250b77f2b2fd8441fd768efc125509fac1d40c66bf1d6b939b0a5d1ba91

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
Signature1b5/fTYMnKMpJBaItGsVOIH0/qzc2pT6ejakI5bd+MgjAi1Z7d8IxuszG9VrM0NMOjNs07i01ddt7pg+4Wf/DA==
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

2026-09-17T10:09:00.506989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077365
observed c207c1af57c99d688995181d9c6a0463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.487558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077365/manifest.json
observed 376a7250b77f2b2fd8441fd768efc125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.464854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077365/publication.md
observed a15081ad146cf7005564ac2e8324749d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.446574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077365/publication.txt
observed 4e68abc6bb1b38dbb323ffb5cb097a55...
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.