OpenTechnical

OT-2026-000103458

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000103458) never changes.

Identity and time

Publication numberOT-2026-000103458 · never reused
Internal UUID01a0aea4-e460-717f-b5f1-ef2638314630 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103458
StatusPUBLIC

Content hashes

Canonical textcf7047205dc1e36cf8ca2c7e541e0c1e5ca92514cb1352dd48d87e7502443008
Markdowndb299c688f6e42b6f4114e41fff149a9520f250ed65330d96ae0a8e2e1cf2e95
PDF
Publication pageef9213f7eeafffbcb70bce28c3a0e3ce15eef4114f9b947ddc977638681b11dc
Manifestee7add1947dba12fcffe34fba8ceccde4dc25f1f70f752e46f924a8dd75ddcb8

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
SignatureluN5buB0FNfnS2BVzg7XfeDwgv5chBjW1m57iFoufOxzqhhTh1ixFsI3QWzIvWqOk18pDaOZOBN5IzczZzLGAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:12.885406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103458
observed ef9213f7eeafffbcb70bce28c3a0e3ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.870548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103458/manifest.json
observed ee7add1947dba12fcffe34fba8ceccde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.855277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103458/publication.md
observed db299c688f6e42b6f4114e41fff149a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.837834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103458/publication.txt
observed cf7047205dc1e36cf8ca2c7e541e0c1e...
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.