OpenTechnical

OT-2026-000089733

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold 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-2026-000089733) never changes.

Identity and time

Publication numberOT-2026-000089733 · never reused
Internal UUID01a0ae9c-1a22-71b4-bf45-519fbc5cc959 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089733
StatusPUBLIC

Content hashes

Canonical text84b0793cb6a61ff3c04af9bcbdb0c09383a24967ca19250e91a9e7df2118e5da
Markdown3edff8f4c6d422fc57cc3862b94b54ea5350640bcc23039cec322a81b06d15c3
PDF
Publication pagee451fade7da81dc3e82903a192dcd83dc8aa492692fbacba461e397f647281c2
Manifest2b748d87bafee9f57df7e51ec41238223c50c64674dc5ae38bae4e0144a3e090

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
SignaturetVkF/1Otge1+RqtLkUSPkS1nrz0enZEuIZCIpa83AJcvjTOFlHphvIx8RRUL7Tit6Z6yEMBWxjnNyuwkEWywAQ==
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

2026-09-17T09:46:44.441768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089733
observed e451fade7da81dc3e82903a192dcd83d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:44.425550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089733/manifest.json
observed 2b748d87bafee9f57df7e51ec4123822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:44.409332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089733/publication.md
observed 3edff8f4c6d422fc57cc3862b94b54ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:44.394042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089733/publication.txt
observed 84b0793cb6a61ff3c04af9bcbdb0c093...
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.