OpenTechnical

OT-2026-000084601

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000084601) never changes.

Identity and time

Publication numberOT-2026-000084601 · never reused
Internal UUID01a0ae98-e25b-76aa-86da-7a4332583047 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084601
StatusPUBLIC

Content hashes

Canonical text7696365f3c2a6e00355af931d5d3bb6aec73ac8c5c2f0a0b0a839341dade6f55
Markdown4f9cb3192e9d53bcc99dfece1fada0714bf54ec15fed9045aa71f323fdf43704
PDF
Publication pagef03f7f88c6434786e86b16caa5b00de419044ef063dbe96e044f1e7116495828
Manifesta4e3c3f0bcc05f8436398f6bc909c8b5d7028fed8de6caa8d9de37008ca3424e

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
SignatureroqgRU8mJltuwFBppGN1Dh/DcR8a2fucCHebSUJKKMMF7FIO3Ce7Sji0aXK9ehAJPp3u1nG+xO1if4xOVtw9BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:30.480862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084601
observed f03f7f88c6434786e86b16caa5b00de4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.462208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084601/manifest.json
observed a4e3c3f0bcc05f8436398f6bc909c8b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.428986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084601/publication.md
observed 4f9cb3192e9d53bcc99dfece1fada071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.397829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084601/publication.txt
observed 7696365f3c2a6e00355af931d5d3bb6a...
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.