OpenTechnical

OT-2026-000068562

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000068562) never changes.

Identity and time

Publication numberOT-2026-000068562 · never reused
Internal UUID01a0ae90-2482-7eb2-8709-e61887619e69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068562
StatusPUBLIC

Content hashes

Canonical text86cf5130e59d76ad81e26bc62623cc5535fe2f26037990381de805ee15015346
Markdownc328792494efabd6e21e0ae09ee98c9cd507b24cf41731878505e2afe484c6a7
PDF
Publication page1ce8e05e04078785a9194472d94076a95ac4c303516a95fc57a31e6ca4a537ed
Manifest54b348dad41579289b6f1875a7a5e46768be73103d5329c0edd3e87a7d5a62fe

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
SignatureYpV65PfD/LM36Y6waZjGSzU/X9u83FdLl3ICZxgk+4ef8/PAAvK1ThnqWSfWfDb7BszYF4T7yD+WG4Vk3yo0Ag==
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

2026-09-17T10:29:43.908574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068562
observed 1ce8e05e04078785a9194472d94076a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.891259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068562/manifest.json
observed 54b348dad41579289b6f1875a7a5e467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.874205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068562/publication.md
observed c328792494efabd6e21e0ae09ee98c9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.857736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068562/publication.txt
observed 86cf5130e59d76ad81e26bc62623cc55...
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.