OpenTechnical

OT-2026-000041175

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000041175) never changes.

Identity and time

Publication numberOT-2026-000041175 · never reused
Internal UUID01a0ae79-b143-70b7-96c8-843b3f4ea586 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041175
StatusPUBLIC

Content hashes

Canonical text49c58ac55ca181f509648c08a2caf5b4b952f23a723b50fd4383725243e5f0b4
Markdown946c6fb4f386e0b37007ad3309a22381e515595558a30aa00301209312537edf
PDF
Publication page9479b3c4e128e34ad366ffbe564b47352b878a5b1186882a41820c08297a3bd6
Manifest994185d486b2909f4c333c7c1bd6b378a7cd711fa7240aac7df87b31cea35687

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
Signature5o08ehQhNgOdaw58sWca7ZRVe8uTbzSLpJTwnKM+t6JWmuA2kkElX5psBgKeJWIDzIldPM3ZXBcgY4JVTJmGBw==
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

2026-09-17T11:17:07.357103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041175
observed 9479b3c4e128e34ad366ffbe564b4735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:07.338774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041175/manifest.json
observed 994185d486b2909f4c333c7c1bd6b378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:07.320461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041175/publication.md
observed 946c6fb4f386e0b37007ad3309a22381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:07.304098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041175/publication.txt
observed 49c58ac55ca181f509648c08a2caf5b4...
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.