OpenTechnical

OT-2026-000100558

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000100558) never changes.

Identity and time

Publication numberOT-2026-000100558 · never reused
Internal UUID01a0aea3-66f1-7210-971d-68ce722475b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100558
StatusPUBLIC

Content hashes

Canonical text1bad2d9fa224830258b8717067f45478f86eb702c1c6e0fb0357abf7351fe473
Markdownabf49373e75c5039af33e5fe2bf26a2324614bea4640191f4b170b268dea6526
PDF
Publication page8aabade89874eabdb7348253765656ccf8d26f484c24466166268332483dc47a
Manifesta8aeaeda878d205b3d71e773cc884e68fe0de980c6f8b45af63e99908cbfa11f

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
Signature8AwioNcIs5tpZrB1ztbbaATBoVzanjRW9G6ZoGYKKUgSyyBHuOHmwqvza4086JJN7bqQXaEftZZbvhzZfWCaAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:19.992962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100558
observed 8aabade89874eabdb7348253765656cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:19.975975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100558/manifest.json
observed a8aeaeda878d205b3d71e773cc884e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:19.957513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100558/publication.md
observed abf49373e75c5039af33e5fe2bf26a23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:19.938404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100558/publication.txt
observed 1bad2d9fa224830258b8717067f45478...
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.