OpenTechnical

OT-2026-000019503

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pulsed blow-off before set-down

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-2026-000019503) never changes.

Identity and time

Publication numberOT-2026-000019503 · never reused
Internal UUID01a0ae6e-f393-7962-bd31-5c3b3ecb9073 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019503
StatusPUBLIC

Content hashes

Canonical text1d724198fa21b5eefcf9f257d31c97dfb25d97eee8b477f7fdc732e55f625302
Markdown5c29c1f84b3b5bcf8931b2ac41955ad7fe8f507aabf2ee1a80b10d2b274d6c77
PDF
Publication pagef534e57e1925dd58d2aee0de9029d58782202db724167be820b5118d5d6ede96
Manifest35c4628c117fcb0a0e95de1a785b9beca0f93fb29a5b31b5adc64dd9112536cc

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
Signature/ECk/EpexMtAO9w75uD2/DgCvn8iwiDB+48pr5xaoNyCx/BPUvU83B0aepJO/mkk536MX0B7Ye/UkPyK6R2DAw==
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

2026-09-17T11:58:55.979917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019503
observed f534e57e1925dd58d2aee0de9029d587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:55.962409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019503/manifest.json
observed 35c4628c117fcb0a0e95de1a785b9bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:55.944026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019503/publication.md
observed 5c29c1f84b3b5bcf8931b2ac41955ad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:55.925459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019503/publication.txt
observed 1d724198fa21b5eefcf9f257d31c97df...
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.