OpenTechnical

OT-2026-000069337

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069337) never changes.

Identity and time

Publication numberOT-2026-000069337 · never reused
Internal UUID01a0ae90-b529-780f-aa7f-f0d38ea496bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069337
StatusPUBLIC

Content hashes

Canonical text9a70c4b60bb1e4f47cf483f5015b01ec328f19231d4967afef998c2711871c28
Markdownec342583c7201fd6465e7c7950f71bc48bab0d34b271b7c483971e1c4ea0bc07
PDF
Publication pagead8347b1b54fb65d4e3e734e51b2e15f1af5812923e177e157ceed6ccc414b30
Manifest8a2b6e3e3867c7a2315b3f0f0dd0b234e33af871e8e8d993486c2ac370f2df7e

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
Signature3VERsnv0WK8nqfkByQcwxezWC6rncFwTAZpv/JNGa62KbOXeKF1IU0OJqEF3z++3oLA9EISJoqaBEkKjEx2iBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:07.008943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069337
observed ad8347b1b54fb65d4e3e734e51b2e15f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.992680ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000069337/manifest.json
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.973220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069337/publication.md
observed ec342583c7201fd6465e7c7950f71bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:06.952532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069337/publication.txt
observed 9a70c4b60bb1e4f47cf483f5015b01ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.206414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069337
observed ad8347b1b54fb65d4e3e734e51b2e15f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.187132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069337/manifest.json
observed 8a2b6e3e3867c7a2315b3f0f0dd0b234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.166980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069337/publication.md
observed ec342583c7201fd6465e7c7950f71bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.132556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069337/publication.txt
observed 9a70c4b60bb1e4f47cf483f5015b01ec...
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.