OpenTechnical

OT-2026-000088312

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000088312) never changes.

Identity and time

Publication numberOT-2026-000088312 · never reused
Internal UUID01a0ae9b-5d27-702a-b96e-d08dc92c1609 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088312
StatusPUBLIC

Content hashes

Canonical text97f0398efbc54b6070593708c82aa0f73be5849cfe2844c0fe76194ec0b61f59
Markdown3f9757b110d3ead6533fd95b445d1f93c18cc4d3eb9d480a62db17ea5ae40393
PDF
Publication pagee018156605ff34c214dbba613669d7373641937d4a4901bc31629591067f946b
Manifest109c53752c051a5bf0e865546e53fdd09b84f10c230a08f7e439725fc7bfca20

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
SignatureGBVrqVFvh5KT2jieZuq39MMaaY2mv3n0lNtcBfD5XjiVVpckrOi/9o6UMUindNQNg68BJfrobUixZ9E7nY31Dw==
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

2026-09-17T09:48:39.009020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088312
observed e018156605ff34c214dbba613669d737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.990889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088312/manifest.json
observed 109c53752c051a5bf0e865546e53fdd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.972923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088312/publication.md
observed 3f9757b110d3ead6533fd95b445d1f93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.954413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088312/publication.txt
observed 97f0398efbc54b6070593708c82aa0f7...
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.