OpenTechnical

OT-2026-000044620

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, pulsed 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-2026-000044620) never changes.

Identity and time

Publication numberOT-2026-000044620 · never reused
Internal UUID01a0ae7c-39d9-749a-80b8-dc68f76b2dc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044620
StatusPUBLIC

Content hashes

Canonical text57059ec08fceed19107b8c76ef5fd835db45a654d827b72edf837cdd6b9d0849
Markdown3c738af29cdc61a9392d94791ba94336ce6d6fc795070a01bd98541e8423a3b7
PDF
Publication page97275832551e0a6c04800e225f91b763b01da22ba8d84d62e77c001a0b28cf83
Manifesta2225370aea0fe36f4baaba643a2c62fd25d55a9b6f015eff455b5fbc787db2d

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
SignatureecRbnLzRBvdjTtR8WPTJQDlrUY8gcFFfgV8XQiEuSKbmkI4SzjtJ/wBJLBYsrTjgLxt50e+gYnxuNKWqmFGwAw==
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

2026-09-17T11:11:51.354678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044620
observed 97275832551e0a6c04800e225f91b763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:51.336343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044620/manifest.json
observed a2225370aea0fe36f4baaba643a2c62f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:51.317709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044620/publication.md
observed 3c738af29cdc61a9392d94791ba94336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:51.296199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044620/publication.txt
observed 57059ec08fceed19107b8c76ef5fd835...
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.