OpenTechnical

OT-2026-000080282

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000080282) never changes.

Identity and time

Publication numberOT-2026-000080282 · never reused
Internal UUID01a0ae96-7e77-7dc0-ad69-bf9883279051 · 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-2026-000080282
StatusPUBLIC

Content hashes

Canonical textf644223e0c7f3e945b097573701241568e688bf35cc425253125dbbc44b2d6e8
Markdown5ee266c34e17ae7d59a56e97be23ec5b4f49d811f7b61b38968a55be519521f2
PDF
Publication pagee209d1eb8f4dce3cb4c5c84cdf18406dc7537d94429220d02004fe2eb0b87df0
Manifestf4237b07c7e37576f5082bfda5301281c361f34d2998d4300b5f8e015318283b

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
SignatureQTamcAFtWHWh5ON6sTKgVcYOVe33Qeinj15tpYZuqMY9NeAJpPXbK5BiokLwW1p9xeTkKHwpHAKL90KjBMOpDA==
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

2026-09-17T10:02:44.606781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080282
observed e209d1eb8f4dce3cb4c5c84cdf18406d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:44.589131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080282/manifest.json
observed f4237b07c7e37576f5082bfda5301281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:44.570335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080282/publication.md
observed 5ee266c34e17ae7d59a56e97be23ec5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:44.552059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080282/publication.txt
observed f644223e0c7f3e945b09757370124156...
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.