OpenTechnical

OT-2026-000061496

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum 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-2026-000061496) never changes.

Identity and time

Publication numberOT-2026-000061496 · never reused
Internal UUID01a0ae8b-7b44-70e4-b0cb-fabd0efa5c2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061496
StatusPUBLIC

Content hashes

Canonical texta446fde546238755035f9f0225bbe0409d6b3e7e35f21a6bdd06be1973be37e7
Markdown5e9d23fa574a200bee54556b5208ad4a7c44ddac4bc4b9b5bab43a0bd7aed21e
PDF
Publication page1da136effa228545ffe8bb7df54ceeb3929c0da529ac23ded9ae2b66bade0079
Manifeste31e201d41aedfb1c5b7cf16554fb617e390d2839c95253e0e46cd3d8e3fbece

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
Signatureutf27tNe5matw8ys+9JjwcwlfiEjdaAz9oeUAM8VBhT+aee8Xmqng0znSVaREv7+vIEd0sHw/PRpjCk2zBM6Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:23.358204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061496
observed 1da136effa228545ffe8bb7df54ceeb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.340626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061496/manifest.json
observed e31e201d41aedfb1c5b7cf16554fb617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.323321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061496/publication.md
observed 5e9d23fa574a200bee54556b5208ad4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:23.304828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061496/publication.txt
observed a446fde546238755035f9f0225bbe040...
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.