OpenTechnical

OT-2026-000103660

Publication integrity record

Four cup vacuum gripper, four 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-2026-000103660) never changes.

Identity and time

Publication numberOT-2026-000103660 · never reused
Internal UUID01a0aea4-e462-723c-afcd-3eac9fa533b4 · 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-2026-000103660
StatusPUBLIC

Content hashes

Canonical text3e30e2836147b5f3bbbddf536adbad7ae77ecc8dccff0abeb576f0782c361376
Markdownd68376c013e878b70f9db374bcf82a178d36da2bf3ad02b9cfc5820f11f682ce
PDF
Publication page2a40973e027064736785888f40cef1dbffb38bd070624ae76ed08110748fba38
Manifest361e5ef848ca48fd29a8d3b9db4cd06813638a7171a1dc92d80b4a4465870458

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
Signaturef9wVGyq5e3t/MfESU1yjcKy1DgO96JJ8VnRcRLFqVqyil/QE6jMQA1uzCiSPbM3ns+UOvdhjQsOuc567gj6wDA==
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

2026-09-17T09:22:27.677231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103660
observed 2a40973e027064736785888f40cef1db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.660463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103660/manifest.json
observed 361e5ef848ca48fd29a8d3b9db4cd068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.644744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103660/publication.md
observed d68376c013e878b70f9db374bcf82a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.627607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103660/publication.txt
observed 3e30e2836147b5f3bbbddf536adbad7a...
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.