OpenTechnical

OT-2026-000080283

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, sustained 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-2026-000080283) never changes.

Identity and time

Publication numberOT-2026-000080283 · never reused
Internal UUID01a0ae96-7e77-70f2-9c17-afc2079ee4da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080283
StatusPUBLIC

Content hashes

Canonical text62a8df71ab977399afa70b5af3695e77ef0b6fec615bc5a807719058b8469da2
Markdown59287aa1fb97f5e340be9dd428bb299175c19b5599e42278b7c061a44d4283ee
PDF
Publication pagee8648dee23b2f5b0e42717feeeca1be1f6ff282cf18640900705a6f4c5ceabff
Manifestb23a2b9fe23f7eed639ef5094fdb0fefc9cfe9653094057f0c24e41a23980c40

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
SignaturegI1fiJTtAAhh/bLRRNRm8FoU4xqbNtmi6Dp9lkO4ZbRwd1fQBtlAXmJugbegsXFBGowaNEfRafCN5o5XQ1V+AA==
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

2026-09-17T10:02:44.675551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080283
observed e8648dee23b2f5b0e42717feeeca1be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:44.658613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080283/manifest.json
observed b23a2b9fe23f7eed639ef5094fdb0fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:44.642516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080283/publication.md
observed 59287aa1fb97f5e340be9dd428bb2991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:44.625248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080283/publication.txt
observed 62a8df71ab977399afa70b5af3695e77...
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.