OpenTechnical

OT-2026-000011547

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, vented 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-2026-000011547) never changes.

Identity and time

Publication numberOT-2026-000011547 · never reused
Internal UUID01a0ae6c-88ff-7e16-a169-f6c5b1c9085b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011547
StatusPUBLIC

Content hashes

Canonical text2b1e310ac69fee9409d71446ca314abb5111ccbf8786bb914d74c469982dfe70
Markdown39df0d20f1bbaac91f02388dc9f2d4183c2a927de3b08583fd4d99f6f2610adc
PDF
Publication page02be4a7b28693e6d299cc0b5c0f924e46b6aae52b9afe9e69ec5dd24c5058222
Manifest61ca2a88aed5483068c5319a0ee24d62f9b4e186f55d1cc2b2fb57396460d9f0

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
SignaturepPUK0Qwflei+2ELWb81y67OmtdTqG78SxsP6DPKRvnGdk7v7bctC4XiBDwTlaYPAop72/aGzVV833G4GH2Y0BQ==
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

2026-09-17T12:13:26.514631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011547
observed 02be4a7b28693e6d299cc0b5c0f924e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:26.494947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011547/manifest.json
observed 61ca2a88aed5483068c5319a0ee24d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:26.471205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011547/publication.md
observed 39df0d20f1bbaac91f02388dc9f2d418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:26.448827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011547/publication.txt
observed 2b1e310ac69fee9409d71446ca314abb...
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.