OpenTechnical

OT-2026-000047671

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000047671) never changes.

Identity and time

Publication numberOT-2026-000047671 · never reused
Internal UUID01a0ae7f-c41f-7b0b-8811-0057ae917b34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047671
StatusPUBLIC

Content hashes

Canonical text33da513ec8bacce46c5654ee92a9be94107dc0f9a9e1565b976514c34cfdb974
Markdown84d5cac4ceaa33785e77afcfeb846eb8005adf4c7b7ca76b07a085b9ad0c063b
PDF
Publication page69e0690e9bd1ba20a8fb90643434eaa6cd1425fa0685db47ddebdfc920c00bbb
Manifestd7dc4dc0432ccb40a3507f66ade0af21d584d5f1b8b0e8006bd23340fa36e72f

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
Signaturelv0am1CT/2iWN9NhlBy0zojZvY9qCDoi4f+RtC2iTURaOyl/BJMxzcNLnmBvEmH9IZ9Ef0UrtugC5tZ0bM61DQ==
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

2026-09-17T11:05:30.901320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047671
observed 69e0690e9bd1ba20a8fb90643434eaa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:30.881472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047671/manifest.json
observed d7dc4dc0432ccb40a3507f66ade0af21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:30.861718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047671/publication.md
observed 84d5cac4ceaa33785e77afcfeb846eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:30.843511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047671/publication.txt
observed 33da513ec8bacce46c5654ee92a9be94...
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.