OpenTechnical

OT-2026-000017444

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000017444) never changes.

Identity and time

Publication numberOT-2026-000017444 · never reused
Internal UUID01a0ae6e-76c9-77c6-8720-3238804f7f81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017444
StatusPUBLIC

Content hashes

Canonical text1e09b5948f9d707cc66ab33af1fd8e8a8d17eb8195ef4f5879364dc7d91fe361
Markdown199435c951075833f8bd4dfd440bccf9926e9df101b0cdeb92e3bbb20392c057
PDF
Publication page1287290fbead4f145da7cd7ac54d0bc5856365eccb9405df5357f5abe55280cd
Manifest4ecd6399ec38835fa070693b2c1355b1fc8dc311506c683018d16eb185434ecf

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
SignaturezJQ5P/89WY65yzaQKgJhtajL71clvNu+W9OhZArDmJo5mE92hhzQEvZPXnElrftnNGW/cYM3QrWzI17xPfq+CQ==
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

2026-09-17T12:02:34.743370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017444
observed 1287290fbead4f145da7cd7ac54d0bc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.727742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017444/manifest.json
observed 4ecd6399ec38835fa070693b2c1355b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.711154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017444/publication.md
observed 199435c951075833f8bd4dfd440bccf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.694513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017444/publication.txt
observed 1e09b5948f9d707cc66ab33af1fd8e8a...
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.