OpenTechnical

OT-2026-000048263

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000048263) never changes.

Identity and time

Publication numberOT-2026-000048263 · never reused
Internal UUID01a0ae80-4de3-76ce-89f8-f4658b6bce44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048263
StatusPUBLIC

Content hashes

Canonical textb993b19a401523134a96c91f27275214c02062c02ed839e7f28ea89b7fce6cc2
Markdown0daad250a60726fde68b7ba7625014bf33f65ee8ba0bc79dcec5e66843f8cfad
PDF
Publication page27e0c69eb696e52dac20f9e2415ee1eb3f46a8cb17ee314f8c745fbc3525cc7f
Manifest8c557f1abae5499caa6369bebc633377bd7acfff66f7ebaabf8f4442b61004b1

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+7fGxHyLk4ZTR6y+vlgt9vhaK0EhMHpA5TuIW0BuxjSGfC4jeK5pL8BhaXxSV/snS00GkLEHaJwrfOHmsxmsAg==
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

2026-09-17T11:04:50.046868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048263
observed 27e0c69eb696e52dac20f9e2415ee1eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:50.027131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048263/manifest.json
observed 8c557f1abae5499caa6369bebc633377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:50.008045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048263/publication.md
observed 0daad250a60726fde68b7ba7625014bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:49.987423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048263/publication.txt
observed b993b19a401523134a96c91f27275214...
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.