OpenTechnical

OT-2026-000012651

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, pulsed blow-off before 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-2026-000012651) never changes.

Identity and time

Publication numberOT-2026-000012651 · never reused
Internal UUID01a0ae6d-5562-7946-9160-01a0d515bfa0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012651
StatusPUBLIC

Content hashes

Canonical text36be73f4b8ea8ca90df35a95d2f4204d62695b39c9d4cc62c14c5e27b42fee56
Markdowncd355808e0dae1d4830db19d186f433eb864ac22b4c111a0c648394287c2d7ab
PDF
Publication page31d2f23914aa439f366bb85a765df68e1f452fb83f88bfb1df27c6bd9c2087b8
Manifestecdfe154374f16edb0577a3a0083701c9137509303fe33f0b05964e06e7f6f46

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
SignatureUdEEynwecbGe0jPk18vQ7eVfR4UFpickZsCxwaLQfw4XLhVHCvoF0PK0k0NqJZ1jbSVNjDYV/3r+JXvEex9xAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:17.124306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012651
observed 31d2f23914aa439f366bb85a765df68e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.104594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012651/manifest.json
observed ecdfe154374f16edb0577a3a0083701c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.085166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012651/publication.md
observed cd355808e0dae1d4830db19d186f433e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.062932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012651/publication.txt
observed 36be73f4b8ea8ca90df35a95d2f4204d...
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.