OpenTechnical

OT-2026-000048874

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048874) never changes.

Identity and time

Publication numberOT-2026-000048874 · never reused
Internal UUID01a0ae81-134b-70bb-b1c4-19e89ca4bb5a · 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-2026-000048874
StatusPUBLIC

Content hashes

Canonical textfa12f584d2c875f0519db959d888f68daf94220ccd27361faee6f0877b3eb93e
Markdown0a22f5b9b69c9e23674702c5c13de915829bf2e7c3ab4277f32bacae96c79fc4
PDF
Publication pageca39693f38ef097f00fc47eab11d1e698d63bd1639db06ee5c27b53c35fbb936
Manifest57552da7cf785c5867a73a2c153c4457cf34f424b9a1ce17f62c66b89c525885

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
SignaturenTGhRylIu8QmAg4VIQBqLqo0mrx3Hf1BA29yuFh21dsQWBnXX8drjB3KDPfe/qtACIpolDHlI7IBKxYMTBWiDg==
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

2026-09-17T11:03:01.732954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048874
observed ca39693f38ef097f00fc47eab11d1e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.710950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048874/manifest.json
observed 57552da7cf785c5867a73a2c153c4457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.693651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048874/publication.md
observed 0a22f5b9b69c9e23674702c5c13de915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.674502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048874/publication.txt
observed fa12f584d2c875f0519db959d888f68d...
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.