OpenTechnical

OT-2026-000043461

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000043461) never changes.

Identity and time

Publication numberOT-2026-000043461 · never reused
Internal UUID01a0ae7b-92ce-715d-9da3-0d0db3161cca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043461
StatusPUBLIC

Content hashes

Canonical text4b73ab53ba5e087e156e70c1dd155b469d6a70b49b6dd38e85021d0dfae1d10a
Markdown71b956e7aa6f08da72b3792f790b579baf2e99981cc39bdfe09c74174fb4b7bb
PDF
Publication page92c99f0f4343fb2ce7264cb0f6557c548db3e3c3e454320858dcb3bcd074c8ef
Manifesteb2177bc379adebecb30926aef154797f06673439dd35b5829cfc16ae333e1e5

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
SignatureuaeIU0wwPnsurnNbmsmpNY94IDdyHZjx+dlJFvKLqdCIExcNnbnQEJhsuA/6l7pOjXvU9BUfrrFIF1Mg1jzbBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:48.786705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043461
observed 92c99f0f4343fb2ce7264cb0f6557c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:48.767332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043461/manifest.json
observed eb2177bc379adebecb30926aef154797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:48.750065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043461/publication.md
observed 71b956e7aa6f08da72b3792f790b579b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:48.733176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043461/publication.txt
observed 4b73ab53ba5e087e156e70c1dd155b46...
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.