OpenTechnical

OT-2026-000081967

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000081967) never changes.

Identity and time

Publication numberOT-2026-000081967 · never reused
Internal UUID01a0ae97-0f77-720d-b415-b7785b27952c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081967
StatusPUBLIC

Content hashes

Canonical text0905b0529841fa3b5aa394ad2e5fabb440d3e4425cf7cefd3b78a04884fbac10
Markdownc66f82f37a544415946c1089f254082a2a3755deb95916bf83d2ad7672acd50e
PDF
Publication page7d1a21313724d74f94d50221fcebc03481f9c8861b518d8b74a6d67850c0bade
Manifestd75902e598c43a8ddc3570e4d0ce9549b5fefd85006a97ae977807c9c0badc70

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
SignaturenltOfdZ464CIyJf7qPzWMMuiuOSszJDspCh+DcxhK9yQcSuQy7nvpN4D0fvmN3PVzAYFug+TkHBc8Vgi/qH4BQ==
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

2026-09-17T10:01:06.304830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081967
observed 7d1a21313724d74f94d50221fcebc034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.286532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081967/manifest.json
observed d75902e598c43a8ddc3570e4d0ce9549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.269331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081967/publication.md
observed c66f82f37a544415946c1089f254082a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.251804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081967/publication.txt
observed 0905b0529841fa3b5aa394ad2e5fabb4...
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.