OpenTechnical

OT-2026-000084207

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000084207) never changes.

Identity and time

Publication numberOT-2026-000084207 · never reused
Internal UUID01a0ae98-5b60-725d-a3bf-63183dcd90a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084207
StatusPUBLIC

Content hashes

Canonical textb939caf98c6549ff1f1573f0e383af4d9b8c829120863ccfa7a9698412c3523b
Markdowna545b98d9e3592dd40650d4878455f86d1e22429333f4b12800ac5ef3fede07e
PDF
Publication pageaa0904ee630e8158d0f1e31cf6dd93dc4e8d15f42da37529043fcd610045097e
Manifest2a627ce7a81c7c0c3c6469eaf3a37a50a5d14f50cf354bfa6624527ba5536cfc

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
Signature6d6zJH1oZRpZZaap5dpVcgamZ4d576ARDzKX0PChfOwGW+idJhCA4YqEgJltE2o84AVuNdinzVimH9lizLeMCQ==
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

2026-09-17T09:55:59.439241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084207
observed aa0904ee630e8158d0f1e31cf6dd93dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.420562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084207/manifest.json
observed 2a627ce7a81c7c0c3c6469eaf3a37a50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.402844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084207/publication.md
observed a545b98d9e3592dd40650d4878455f86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.385050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084207/publication.txt
observed b939caf98c6549ff1f1573f0e383af4d...
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.