OpenTechnical

OT-2026-000057425

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000057425) never changes.

Identity and time

Publication numberOT-2026-000057425 · never reused
Internal UUID01a0ae87-d5c7-7118-8972-cdd56a6954ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057425
StatusPUBLIC

Content hashes

Canonical text6afdea5a5e8dd6bb6b785196cd54fd61cc438b84dc1f020d8fc671b332cf3808
Markdowna5099b3e7f2613b777857e7645ec9d9788d739d521f427e2a1590cc52649010f
PDF
Publication pagec0c892a8c64584d8995a90ad230a7ad018cb95ed56eeb94cc6e9fe7c1df3a906
Manifest17f52edfab718b6f12ebe585b86672ec94e3ab4d2cc37a861432c4156da192a2

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
SignatureEco1aNnBdbTQGQiRqGr5PxIV4rtuog0tJPTbdWhnAIUZJtdNUxTManHJ54sNvARjRajaUyxa34uw37YaGT/HAQ==
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

2026-09-17T10:49:43.048995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057425
observed c0c892a8c64584d8995a90ad230a7ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:43.025754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057425/manifest.json
observed 17f52edfab718b6f12ebe585b86672ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:43.005953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057425/publication.md
observed a5099b3e7f2613b777857e7645ec9d97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:42.987449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057425/publication.txt
observed 6afdea5a5e8dd6bb6b785196cd54fd61...
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.