OpenTechnical

OT-2026-000088421

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum 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-2026-000088421) never changes.

Identity and time

Publication numberOT-2026-000088421 · never reused
Internal UUID01a0ae9b-5d27-7b91-b281-da623068e0df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088421
StatusPUBLIC

Content hashes

Canonical text1cfbb28c62679550dab66a96a9aff1d39834d64f4874f4d3efc9287b89735314
Markdown965a5c80764c16f5b4ebc6f3ef63b829ce99572e5130718476ab3e090073d47b
PDF
Publication page605621cce851cc26e7be6e9845f0ce42b1450ed43ca4f0b4a97d3c394293f466
Manifestfcc3970488222cf2991fcb1175f0b67c0ecb9c732c2ff5842482af6c34a0706b

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
SignatureYkIm0x2bRsu+Z0XINW/qSy2oiUHsTT5uL/ys6FDW3CXxtbWNOxXjszF3szKhf0cs0wswce1Mv5OfPGQNj7JnAg==
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

2026-09-17T09:48:47.449159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088421
observed 605621cce851cc26e7be6e9845f0ce42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:47.431013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088421/manifest.json
observed fcc3970488222cf2991fcb1175f0b67c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:47.342849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088421/publication.md
observed 965a5c80764c16f5b4ebc6f3ef63b829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:47.325212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088421/publication.txt
observed 1cfbb28c62679550dab66a96a9aff1d3...
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.