OpenTechnical

OT-2026-000017369

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000017369) never changes.

Identity and time

Publication numberOT-2026-000017369 · never reused
Internal UUID01a0ae6e-76c9-701e-adaf-f84a1a7ccf71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017369
StatusPUBLIC

Content hashes

Canonical text2087ae5a284d1a006844b70fe85d6778737c567c4d0c67d86a715556638aaef1
Markdown004a5d1a0544bb01124aa84025b0ec3dfd479fbf85e5b39ae20467f88ed4c9a4
PDF
Publication page976fb83b693ef543e4e9ad04a26db45a152d0162b07ab3c8ca2ce1ffebd9f518
Manifestd1e93fb57d2eed428ad5a117bc9976538ef48b3a32a3d6ed78ea75b27698db34

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
SignatureP0U1PaWiScomDam2bFnmvVDHgtunwQsAdD4MlkSVd/Sj4FinulTAWLFxUxwI88z//dhQYmWjPoPN5bhblhyiDg==
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

2026-09-17T12:02:29.270510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017369
observed 976fb83b693ef543e4e9ad04a26db45a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.252049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017369/manifest.json
observed d1e93fb57d2eed428ad5a117bc997653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.231842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017369/publication.md
observed 004a5d1a0544bb01124aa84025b0ec3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.214009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017369/publication.txt
observed 2087ae5a284d1a006844b70fe85d6778...
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.