OpenTechnical

OT-2026-000040517

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000040517) never changes.

Identity and time

Publication numberOT-2026-000040517 · never reused
Internal UUID01a0ae79-6d0d-79c2-856f-63e88f9506b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040517
StatusPUBLIC

Content hashes

Canonical textd35b761fa03ecb3824c791801f9869cc92f831fcfb8f393304ce7409db37c7cb
Markdownd7a0894835483c56a9c32c5d5c5cdb8782c822af57b852d43180d486ddf26c15
PDF
Publication page2d102a8120d6fe0b97a6b08da09c7b13fbe820c9e3c870d75d0f05434b411d15
Manifest559dd68a5ffb692a34273d6e3f66a5246d8aa6fff2c6af0fdeea2b25c63f94f9

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
SignatureYGmSU+kvnVX7KauhxdGEJeMblv4LGrIau4PZD7OAr5OPgs39uZuK4PKWfI2qk1jNpDXZJq7GmA0ENnxMO9rYDA==
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

2026-09-17T11:17:39.711395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040517
observed 2d102a8120d6fe0b97a6b08da09c7b13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:39.691853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040517/manifest.json
observed 559dd68a5ffb692a34273d6e3f66a524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:39.672110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040517/publication.md
observed d7a0894835483c56a9c32c5d5c5cdb87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:39.653315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040517/publication.txt
observed d35b761fa03ecb3824c791801f9869cc...
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.