OpenTechnical

OT-2026-000098548

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000098548) never changes.

Identity and time

Publication numberOT-2026-000098548 · never reused
Internal UUID01a0aea1-e966-7eb4-96c5-69421bc75537 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098548
StatusPUBLIC

Content hashes

Canonical text79d1c4762dba1aa1806e77242bb96950d59a5862318f8ba86dab6e4840c10ec3
Markdown8493b8bebf3359bfeee8be341eba8e0e512231afb6d0a7a9ac245e9e58bb73b6
PDF
Publication page29e1bc0179352b8e2c120570491e8c4831f18c730c9c8643ff2534077c80f5cd
Manifestc055ae624c2b04f510efb144ed85f09feb43a89c750b21b3571ffafa4cd401cc

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
SignatureShTjgWIBnr9WEaGdNCTECTrpzeSy/rYMrtQ+LABTgZi5VOi6cERpDUFdBVqbN7CQW30vWXztYaCRUY5JzHyxAQ==
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

2026-09-17T09:32:25.846387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098548
observed 29e1bc0179352b8e2c120570491e8c48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.824442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098548/manifest.json
observed c055ae624c2b04f510efb144ed85f09f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.805631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098548/publication.md
observed 8493b8bebf3359bfeee8be341eba8e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.787751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098548/publication.txt
observed 79d1c4762dba1aa1806e77242bb96950...
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.