OpenTechnical

OT-2026-000097808

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, 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-2026-000097808) never changes.

Identity and time

Publication numberOT-2026-000097808 · never reused
Internal UUID01a0aea1-92f6-74ef-98ee-b5f2d1e4a4be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097808
StatusPUBLIC

Content hashes

Canonical text161e6e2e78c8f166a857079b9287a675c214087a77579ff7780a4e8f9330946a
Markdowna35b2e0a957d1cd040777b6b2d5ee7845167f7252f39d272b435431e1410b140
PDF
Publication pagec47df560ea7bbbaa69a692feaf6208cf3493d9f2c05b48eae4b4c2a5cbaeeeb4
Manifest11a3ade38d453e241e61aadaaaaba774e4755404855110fdac20815f77f7d749

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
SignatureOmTVyXwJCgmiCCzIAZMR49KLpjjIJc4aMUQVifnUVdk4rpUeKyiRkKrvu8RKOs4htV6JS0lRZ+9qD/N6tJZWCA==
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

2026-09-17T09:32:53.743154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097808
observed c47df560ea7bbbaa69a692feaf6208cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.724539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097808/manifest.json
observed 11a3ade38d453e241e61aadaaaaba774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.707724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097808/publication.md
observed a35b2e0a957d1cd040777b6b2d5ee784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.645925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097808/publication.txt
observed 161e6e2e78c8f166a857079b9287a675...
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.