OpenTechnical

OT-2026-000013826

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000013826) never changes.

Identity and time

Publication numberOT-2026-000013826 · never reused
Internal UUID01a0ae6d-8de9-7084-b528-6a37e5254d95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013826
StatusPUBLIC

Content hashes

Canonical text6311addee168de0408867a53a34c4b900ecc289ca639fb4b7c9c5e37145890bc
Markdown4f303bcd136201a5eafa8601eeec5f4a8ba211c5bd07c9f4ee05bae84e258568
PDF
Publication page2ddabe96d72d14503abb23a4a37ad6b9aed7ad257b1cf4d5d0ec88abe6a0b145
Manifest86e7dd54d400b760b81ce5372255e2ddc3d941ea3356cf3383b6a625c78e22d4

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
SignatureL3Ua50CVlNgo9J9vGijDiM5oUnw8kU5UtywXtmBvYrtdhy1xA9aBP6PBJT4pinSEaJt1deL/NUPn+e4WbGcpDg==
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

2026-09-17T12:08:55.559267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013826
observed 2ddabe96d72d14503abb23a4a37ad6b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:55.541036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013826/manifest.json
observed 86e7dd54d400b760b81ce5372255e2dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:55.522503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013826/publication.md
observed 4f303bcd136201a5eafa8601eeec5f4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:55.504630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013826/publication.txt
observed 6311addee168de0408867a53a34c4b90...
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.