OpenTechnical

OT-2026-000045191

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000045191) never changes.

Identity and time

Publication numberOT-2026-000045191 · never reused
Internal UUID01a0ae7c-f769-756a-8291-a9c4e6d15ac7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045191
StatusPUBLIC

Content hashes

Canonical text02c639966661a00119173d503ee46d2eabe836ed7acdacedd407c8f4673963a1
Markdown53911e4f26d251072c1d2b59d40d3d6de120c873afad469dcc359ff67226a84c
PDF
Publication page7e7296e4df4fff466bd14a42eecbb0ced27bc38f450943ff3cf228015cc350bb
Manifestb89e94cf857160523f85ce4128b8284b3549c0b6fdd20d7c3659f31b88049415

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
SignatureJOdiOS6S1ZDq60+SvNhvnPaS4JSA+/kh9zZhTKkr0dxo9tSmzzTKF/U9ccplNDXEMWYVHpFPdW52LOW1VLw7DQ==
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

2026-09-17T11:10:21.855176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045191
observed 7e7296e4df4fff466bd14a42eecbb0ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.835614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045191/manifest.json
observed b89e94cf857160523f85ce4128b8284b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.816509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045191/publication.md
observed 53911e4f26d251072c1d2b59d40d3d6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.799100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045191/publication.txt
observed 02c639966661a00119173d503ee46d2e...
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.