OpenTechnical

OT-2026-000100615

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000100615) never changes.

Identity and time

Publication numberOT-2026-000100615 · never reused
Internal UUID01a0aea3-66f2-7346-8bc3-442943f45e10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100615
StatusPUBLIC

Content hashes

Canonical textcef4bd3c5e8ec90e214568ec7a243f27c22809f2892d8134700dc9644c537300
Markdown32b7fa9cc67750fc5ba024077c2e987b7549760447a2f3dfc3383840b669cd77
PDF
Publication page59484ed2a5094334cf32339492f60dc91834717cdad3199eb0be08f52800b814
Manifest3d98452531e52c31c5cb97514b2c2c29170869798fa91446e4d99a6f60363640

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
SignatureTvRzaFEpphk+djr8/YkgRe1nRD2MaZyeBSX7Hn/0fP1GNInvDkOZkt43Rx2x4sGRAcCFWT+C3Q2OI0ZNN9Z7Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:24.640487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100615
observed 59484ed2a5094334cf32339492f60dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:24.622386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100615/manifest.json
observed 3d98452531e52c31c5cb97514b2c2c29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:24.605030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100615/publication.md
observed 32b7fa9cc67750fc5ba024077c2e987b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:24.587953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100615/publication.txt
observed cef4bd3c5e8ec90e214568ec7a243f27...
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.