OpenTechnical

OT-2026-000068261

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000068261) never changes.

Identity and time

Publication numberOT-2026-000068261 · never reused
Internal UUID01a0ae90-247f-7555-a104-70371ef53f12 · 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-2026-000068261
StatusPUBLIC

Content hashes

Canonical text12b47ad4acdf39f26848828623d12ea765902f6e1b334ea33c61a17729a92f9d
Markdown0bc5ee2b5919e7fc4ddaf539f9d3062c70ab562b3309d21d67b08781026b395f
PDF
Publication pagef173fb51ce7b1edbacdea9ecb6bf7ff9030028ade6770209c9e6b92455a4af8c
Manifest38d9fc77960fd1edbdfb8725eb6af2a441f560a8c6d68e6ed901dd4f235a52a9

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
SignatureOXM/gm1T7Jri8pj7rl1l5lppzYntWq/vC3m56PBYBqOKO3zDselZJ44me7CGlLfrkjmpWugX0JwjM7poYiLQCA==
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

2026-09-17T10:29:17.136391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068261
observed f173fb51ce7b1edbacdea9ecb6bf7ff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:17.118990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068261/manifest.json
observed 38d9fc77960fd1edbdfb8725eb6af2a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:17.100626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068261/publication.md
observed 0bc5ee2b5919e7fc4ddaf539f9d3062c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:17.081813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068261/publication.txt
observed 12b47ad4acdf39f26848828623d12ea7...
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.