OpenTechnical

OT-2026-000088973

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000088973) never changes.

Identity and time

Publication numberOT-2026-000088973 · never reused
Internal UUID01a0ae9b-8f11-7285-b27a-b2d5cdf1af65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088973
StatusPUBLIC

Content hashes

Canonical text1ca31e6e4d7b562ab3c19469acab9ef3d3ead9f349eb75a45fa09bf69d8b1a27
Markdownf32265d2ade92a23bd845f6b04753cf4db2fa9d684e7ba843818638c710cb748
PDF
Publication paged725ab6fe7a1bb6fe4029bd4f27cf22f12f1ff083d1a173a50e891b4b553b749
Manifest716ad82ac5aeb682cfabe2f32a5198ef397f3b7a00ce19cd056eab815b49b878

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
SignatureQxd45hIGBtnmxvWPFHG+nPUo+Bdtl78E98n65zsGaAy/BA/GDoov0S7zEXWoVwZBMOsKNG/htiYFGDdcD/bFCw==
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

2026-09-17T09:48:28.027349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088973
observed d725ab6fe7a1bb6fe4029bd4f27cf22f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:28.007374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088973/manifest.json
observed 716ad82ac5aeb682cfabe2f32a5198ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:27.988747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088973/publication.md
observed f32265d2ade92a23bd845f6b04753cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:27.969987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088973/publication.txt
observed 1ca31e6e4d7b562ab3c19469acab9ef3...
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.