OpenTechnical

OT-2026-000028083

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000028083) never changes.

Identity and time

Publication numberOT-2026-000028083 · never reused
Internal UUID01a0ae72-a520-7e30-8b05-ad3a2336185c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028083
StatusPUBLIC

Content hashes

Canonical text8eeef3efdff369894079db2a9fcc72749fd077bb81867b4d32fd5834d2f0323a
Markdown3fc65f75dce5069e6cc4366f46028a282bf642173656aa82628acdf39b8ab850
PDF
Publication pagea71d80f84109fe7b538668ad58e36c9feddb374ef74f5886d600d549f7681a1b
Manifestdeefb5d42d3fbfc6b7960a480da39b45ebc94a350cd8cc6b53163a056a445d9c

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
SignatureHBSVdZYJLtYD/VLQ6U3moiaGoi90UmAS+dWR3R1F5oY17kbrAnP7lMcSeeBAP329wY87C/JoK8HJGvhxcvepCA==
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

2026-09-17T11:42:25.519645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028083
observed a71d80f84109fe7b538668ad58e36c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:25.502660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028083/manifest.json
observed deefb5d42d3fbfc6b7960a480da39b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:25.486681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028083/publication.md
observed 3fc65f75dce5069e6cc4366f46028a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:25.468882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028083/publication.txt
observed 8eeef3efdff369894079db2a9fcc7274...
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.