OpenTechnical

OT-2026-000069497

Publication integrity record

Two cup vacuum gripper, two zone face, six 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-2026-000069497) never changes.

Identity and time

Publication numberOT-2026-000069497 · never reused
Internal UUID01a0ae90-b52b-73e6-ad23-38b2595d101b · 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-2026-000069497
StatusPUBLIC

Content hashes

Canonical text79281c7cefe1b5a5bb46049ee172b7552ac3eea3d27662f70adf7f9cc033e7d8
Markdown1087abb6873532b73ecaf6662ae7b25f19370e79e7e8bc50382071d0e8cb2cc6
PDF
Publication page18b90ec208c3e13307fc1c6deeedc0f69d6961745b3665bf2e8512713928024d
Manifestaaf0226dbbb333e2895da8e81cc01e68be719b2202e928def731ba39853f9c05

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/inyseZGD7DlTLkqEKoyxuMZTKOfHT3wIjbYvFH8Ycb0BSmH3ocBsYqdHqkTN/j+pYE51bUfJek4J2fne92IBw==
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

2026-09-17T10:30:34.803646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069497
observed 18b90ec208c3e13307fc1c6deeedc0f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.788117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069497/manifest.json
observed aaf0226dbbb333e2895da8e81cc01e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.770321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069497/publication.md
observed 1087abb6873532b73ecaf6662ae7b25f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.753955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069497/publication.txt
observed 79281c7cefe1b5a5bb46049ee172b755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.681929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069497
observed 18b90ec208c3e13307fc1c6deeedc0f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.663876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069497/manifest.json
observed aaf0226dbbb333e2895da8e81cc01e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.644191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069497/publication.md
observed 1087abb6873532b73ecaf6662ae7b25f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.624255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069497/publication.txt
observed 79281c7cefe1b5a5bb46049ee172b755...
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.