OpenTechnical

OT-2026-000008123

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, vented 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-2026-000008123) never changes.

Identity and time

Publication numberOT-2026-000008123 · never reused
Internal UUID01a0ae6a-908c-7513-9f7b-a4ef242e3b16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008123
StatusPUBLIC

Content hashes

Canonical text538b2d255b8b3458cb1fd7ba0c07f8f8392597ccc65afec56adbaf04b5580ee1
Markdowne86103ebdef7fe906c21ce89e9fa5ac60ec047d59f73c9b9e06c56e742c221e4
PDF
Publication page27ee939eeccfa8c1cda70f5277a817488a2b09a1c07f9fde18371b2090325fb5
Manifestf0145a6e9579c63cdedeb5116f6aebb900d61f6b7aa8ba8e349c1a073eccbeba

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
SignatureWLWmrJkUVTWJwi0T01cW22ajSPUjCORdpG9MbIcNQGdW/TUGe2ndo5q0mWKJtqPqHz/GNKMKErOA4Gpzv8X3CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:26.692816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008123
observed 27ee939eeccfa8c1cda70f5277a81748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.674381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008123/manifest.json
observed f0145a6e9579c63cdedeb5116f6aebb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.655811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008123/publication.md
observed e86103ebdef7fe906c21ce89e9fa5ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.638653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008123/publication.txt
observed 538b2d255b8b3458cb1fd7ba0c07f8f8...
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.