OpenTechnical

OT-2026-000062420

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000062420) never changes.

Identity and time

Publication numberOT-2026-000062420 · never reused
Internal UUID01a0ae8c-0abf-77d9-b866-edfe66c4ab03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062420
StatusPUBLIC

Content hashes

Canonical textf07b92202f1b49631d4ab11e44114ef334e729f1e0d0712f16a538dc693608f2
Markdown458db7593a226133d97de59c97b98451856a8118ff4a3be551b9e448605afb75
PDF
Publication pagefb223b9cc2f2b564255090f894657f4638c57036d43367033e82fd60871c5a39
Manifestbac452c929bb61b9e3b5cf1eab105bbb3a8f20f384d042a3f17c532f63bdeeef

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
SignatureOqp77QwU7At12fP/UxJUdO4Fh93UfsDtU4VqFKcUN+cth2Q3/a9x/A9GapxFqVYH5bTjoNQjgjXQ/VxJ0ifVCg==
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

2026-09-17T10:39:45.255108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062420
observed fb223b9cc2f2b564255090f894657f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.236948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062420/manifest.json
observed bac452c929bb61b9e3b5cf1eab105bbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.219409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062420/publication.md
observed 458db7593a226133d97de59c97b98451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:45.200635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062420/publication.txt
observed f07b92202f1b49631d4ab11e44114ef3...
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.