OpenTechnical

OT-2026-000055795

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000055795) never changes.

Identity and time

Publication numberOT-2026-000055795 · never reused
Internal UUID01a0ae87-0a49-7bea-8c74-c34cb4425179 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055795
StatusPUBLIC

Content hashes

Canonical textc73d129efdf31b813658733653a36e493a8f2fdd28ba5bf0be6a945ff3bbbb02
Markdownab397b7cc77cd032d1950e1bd4a955596a1b8cd1553df3fe7f07540c685d542a
PDF
Publication page0b928c2c0eed7781b197c5c6562bddc869e27b5957ffb1c26d3eb81777062398
Manifesteddd3090784cddf09226e1b8795cd328bb31cd2cbfc7d7ed694a7d1a0a832326

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
SignatureTuirAMlsUDjQRW8YnaA53LwSV1laR5OC1oQAVJCJ172o1ST2fXPBczQlU5A80f70H3Ex+xet6vtrGwjuIapcDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:10.159779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055795
observed 0b928c2c0eed7781b197c5c6562bddc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.142466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055795/manifest.json
observed eddd3090784cddf09226e1b8795cd328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.125512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055795/publication.md
observed ab397b7cc77cd032d1950e1bd4a95559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.109370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055795/publication.txt
observed c73d129efdf31b813658733653a36e49...
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.