OpenTechnical

OT-2026-000042397

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000042397) never changes.

Identity and time

Publication numberOT-2026-000042397 · never reused
Internal UUID01a0ae7a-5d74-7a67-b762-5c120c79d12f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042397
StatusPUBLIC

Content hashes

Canonical text5e0d34e52bfaabd5f75f26507482ada757f205d5b62b1524ae4e80bec1cb15eb
Markdownf5f5c5682237a67d1c79393ffabf668e8ea838aca4e196ae202bf4de84cc27f3
PDF
Publication pagedd83acd543e5982e3172d06cc9881f3c1a7974e5d34b720269d64a6317662c83
Manifest8a2ff2f449605861216e2e0579bf8977d8bda9b742cb5694c069d87a00ea9292

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
Signature2dGMz+57SiPR9gDzuteHD6EX5sr38ikKATkvKCxQOPF01+YGVKfKcT96ARXUjCgFa3Oaf9muH6q3EQTY1AKGCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:16:11.504660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042397
observed dd83acd543e5982e3172d06cc9881f3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.486627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042397/manifest.json
observed 8a2ff2f449605861216e2e0579bf8977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.469808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042397/publication.md
observed f5f5c5682237a67d1c79393ffabf668e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:11.451333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042397/publication.txt
observed 5e0d34e52bfaabd5f75f26507482ada7...
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.