OpenTechnical

OT-2026-000027598

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000027598) never changes.

Identity and time

Publication numberOT-2026-000027598 · never reused
Internal UUID01a0ae72-6999-70a5-a682-84621763a555 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027598
StatusPUBLIC

Content hashes

Canonical textbf4b9c3afd61cf15019b48582d0cc3b5d527fb3b1880309f183ce3b6b1f8cbba
Markdowna52ab975f218d150b7bd286014b1b5286177c1162f61a1489c9fb6b6139425b4
PDF
Publication page6517ba14f93414a874dd29cddaea359248d29f8b7c490a2b2d545afee1df8d88
Manifest9f211d137507be2993e0fa1d89ff05612144fea7dfcdc53674be6db20e661abc

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
Signature0lccMd5zbHDQM7PXUb2br67pCZ/hF8cgNQ18wzWe6nl+FrW48va/2gL219b/085qm60YLzE0vC/W3RK5evgNDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:06.745645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027598
observed 6517ba14f93414a874dd29cddaea3592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:06.727366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027598/manifest.json
observed 9f211d137507be2993e0fa1d89ff0561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:06.705588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027598/publication.md
observed a52ab975f218d150b7bd286014b1b528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:06.683543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027598/publication.txt
observed bf4b9c3afd61cf15019b48582d0cc3b5...
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.