OpenTechnical

OT-2026-000095495

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000095495) never changes.

Identity and time

Publication numberOT-2026-000095495 · never reused
Internal UUID01a0ae9f-8f73-7f3f-ad5f-8e9134362afb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095495
StatusPUBLIC

Content hashes

Canonical text81413a51d5f9bcb22650b5e19f416fe71da541264bd80f041846b7c3c74b099d
Markdown7498b82b69e5de28afa944bd6a0bb727c2102e965a4fd3ad18b0bd27bb2dbefb
PDF
Publication pageb6235297c2d93844c0f908906db9f449d319e7feb8bebfe91344c08d33e9ccba
Manifestd42f8bb1a17e177e18cd3c62fa918d4be5063004d1d897d2c88f0a7268049b88

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
Signature6ORk6pDF8JlOEKllEdf1FpWxyudzuijCDNKfxxtdDTSDcvMzJxJLrnoQSUHgsu52ldfKyud/BwCecf3IEAfDAA==
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

2026-09-17T09:36:53.852859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095495
observed b6235297c2d93844c0f908906db9f449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:53.833892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095495/manifest.json
observed d42f8bb1a17e177e18cd3c62fa918d4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:53.814388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095495/publication.md
observed 7498b82b69e5de28afa944bd6a0bb727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:53.796760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095495/publication.txt
observed 81413a51d5f9bcb22650b5e19f416fe7...
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.