OpenTechnical

OT-2026-000017134

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000017134) never changes.

Identity and time

Publication numberOT-2026-000017134 · never reused
Internal UUID01a0ae6e-76c7-7093-9292-7e5fff7af9d2 · 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-2026-000017134
StatusPUBLIC

Content hashes

Canonical textaa7c40a00c29b10cd407b1379838ee16ad0a528356a6e8766877c70525983fb0
Markdown8cb65014df5f632497edf6d855ac38d4b504fecc8cd79794ee12a22dce33c788
PDF
Publication page6940e357d2d6b2930ac7992aa73e78a015e6b35d6c970d141d530a58851ec900
Manifestff961ba4a964c9bce8315cced9f99b518b7c38622f4a4900e09362503760d6fc

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
SignatureXmdZoejVmOJG6WaNoQk/KfjJRs0nRQjw6xIBqyu9/6RMn3u7HcvL3hlO2Gk1WPtSE3fg1m0N7atFahT4pBkCDg==
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

2026-09-17T12:02:11.528153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017134
observed 6940e357d2d6b2930ac7992aa73e78a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:11.511863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017134/manifest.json
observed ff961ba4a964c9bce8315cced9f99b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:11.495287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017134/publication.md
observed 8cb65014df5f632497edf6d855ac38d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:11.478160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017134/publication.txt
observed aa7c40a00c29b10cd407b1379838ee16...
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.