OpenTechnical

OT-2026-000104198

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pulsed blow-off after 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-2026-000104198) never changes.

Identity and time

Publication numberOT-2026-000104198 · never reused
Internal UUID01a0aea5-3420-7be5-9e06-ba157689bf26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104198
StatusPUBLIC

Content hashes

Canonical textb58049f8913821a444440b076a64c6aedeb828e4137cc7e38e5cc805e6fa32c9
Markdown794b60b45a796462a4004cd88caaa49cfade5a32450addf78c0c265f6a5a6ba6
PDF
Publication pagee4cfac6911c2ac6e09c47f44c893ee5ce30371a4e5e2e1bb6ab1f756c7b49bcb
Manifest222a3b4ab992d88877b0dc5917b2550c2d96909dfd1ccb85086edd760527fc48

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
SignatureuC2XT/dbBSWfB/Nr3wXKDOYN88t/Y70CqMZpN4jhaEj+KjTlf3B+BeYT2we0J3cgp2yhO84JoVzvnr+DgSQNDg==
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

2026-09-17T09:20:17.770854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104198
observed e4cfac6911c2ac6e09c47f44c893ee5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:17.753945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104198/manifest.json
observed 222a3b4ab992d88877b0dc5917b2550c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:17.735631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104198/publication.md
observed 794b60b45a796462a4004cd88caaa49c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:17.718551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104198/publication.txt
observed b58049f8913821a444440b076a64c6ae...
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.