OpenTechnical

OT-2026-000012773

Publication integrity record

Single cup vacuum gripper, single stage ejector, pulsed blow-off 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-2026-000012773) never changes.

Identity and time

Publication numberOT-2026-000012773 · never reused
Internal UUID01a0ae6d-5563-7722-9fad-07a7a39eeda1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012773
StatusPUBLIC

Content hashes

Canonical texte0060623513dd6fe3102063ec3fd49f7d38e8327f332f66053c14ac5fae4bfb2
Markdownfba182c6e20d5248297429f0cc35cfacbc7a41ecae6e195793a60cf7692cb2ff
PDF
Publication pagedae4c2e8b7ff563debda00b33aa011f85e65545f9b091704995757b2e197126e
Manifest73d2f233ecfae6bea164997c936b12a374c9ccd00652dc2ee114d4ff6a9e7635

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
Signature7uvNZvU9D83/q2N4vks6qhkp4rZmYS36w+Ub8VjZweM50a53+L06+Eq2ZnDiuqNRj1g9Cf3wakdwXBvxtWftAA==
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

2026-09-17T12:10:29.320997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012773
observed dae4c2e8b7ff563debda00b33aa011f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:29.297422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012773/manifest.json
observed 73d2f233ecfae6bea164997c936b12a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:29.264418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012773/publication.md
observed fba182c6e20d5248297429f0cc35cfac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:29.239686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012773/publication.txt
observed e0060623513dd6fe3102063ec3fd49f7...
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.