OpenTechnical

OT-2026-000103453

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, pulsed blow-off after 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-2026-000103453) never changes.

Identity and time

Publication numberOT-2026-000103453 · never reused
Internal UUID01a0aea4-e460-77ee-9818-3d6dbb89715e · 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-2026-000103453
StatusPUBLIC

Content hashes

Canonical texta9e7d8438ef6cbfc71c9446a44b3bf6309ce6a682c890f69c698fb7759b29aaa
Markdown525b5d58425602e5abca3156fe0e8145b5040895ca0b67de88484aef6314e5d9
PDF
Publication page8ee325e4ea26fe77b5caa54a6d1a9a935dda5bde4c4213d9cd8633a5897a632a
Manifest70ccb3af88ae5252482fdb32a008c47c95af2b54b2097c8140ff601c9f490fac

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
SignatureoINzNG3Ky2BVZEUZY6tBsc1qwEIgmk7pTPNTa3IK7Z+d10Bv/+6WRxrdm4Lg82/3f4H3P5rls6I54lGQ4bAKDw==
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

2026-09-17T09:22:12.539310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103453
observed 8ee325e4ea26fe77b5caa54a6d1a9a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.523264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103453/manifest.json
observed 70ccb3af88ae5252482fdb32a008c47c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.507221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103453/publication.md
observed 525b5d58425602e5abca3156fe0e8145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.490512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103453/publication.txt
observed a9e7d8438ef6cbfc71c9446a44b3bf63...
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.