OpenTechnical

OT-2026-000073908

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented before 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-2026-000073908) never changes.

Identity and time

Publication numberOT-2026-000073908 · never reused
Internal UUID01a0ae93-2b8e-77e5-be78-f2fba70becb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073908
StatusPUBLIC

Content hashes

Canonical text8a9ef29c2b7252947f54795a2cfb5d9c1f6bddb79c02a744a3ebcaab3332d25d
Markdown3d364ba25f007cb0bf91b700a748bf5e314ea8dea92b1aac75be844b8fd509e0
PDF
Publication pagef2fc6ccec631a0342c73ed9597bdffe38ecefe7327ac9b16d5ea1ae3489c9cae
Manifest2937746b8f4087e5f262f6d8515e4a0cb54b08287398c34075c6eb50eb17bcb3

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
SignaturesjlnYeBoyFD1dUXSCjevmJuotu9Kbc4EC/RuWHrgfdKHBuqU4fg/dh/iOLcqs+R/0vyIAgtdiFwAYZybYNhBBA==
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

2026-09-17T10:20:04.077171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073908
observed f2fc6ccec631a0342c73ed9597bdffe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.055525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073908/manifest.json
observed 2937746b8f4087e5f262f6d8515e4a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.029308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073908/publication.md
observed 3d364ba25f007cb0bf91b700a748bf5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:04.010462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073908/publication.txt
observed 8a9ef29c2b7252947f54795a2cfb5d9c...
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.