OpenTechnical

OT-2026-000049063

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000049063) never changes.

Identity and time

Publication numberOT-2026-000049063 · never reused
Internal UUID01a0ae81-134d-7bf1-9b23-c032f7998639 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049063
StatusPUBLIC

Content hashes

Canonical text304ed4f6afa968c5e731fb6146758e2b533f65cd90bdc4cb30d2f2c5a5e6bd7c
Markdown7931d3c0edac2c4d454f23b21721746c3e35e2bf1196044101281e58147244dc
PDF
Publication pagedd45a6dc00349e6f525fa8be55e598940f834c391230d7ba4c803549d0154cdf
Manifest13c666e0c065d91f109afebf58ef6095988a23ff4a651edda4135658a454b61f

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
SignaturemwRR6OzHPLfziKji3NhAB1bfUrh1ho+4w/BO5Qry4uf3cZYo9roFXtLRQ8v/UNYJLCp3JBm162UttFmImmxYBw==
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

2026-09-17T11:03:17.751467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049063
observed dd45a6dc00349e6f525fa8be55e59894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.732549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049063/manifest.json
observed 13c666e0c065d91f109afebf58ef6095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.714207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049063/publication.md
observed 7931d3c0edac2c4d454f23b21721746c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.697496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049063/publication.txt
observed 304ed4f6afa968c5e731fb6146758e2b...
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.