OpenTechnical

OT-2026-000038131

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000038131) never changes.

Identity and time

Publication numberOT-2026-000038131 · never reused
Internal UUID01a0ae77-f88b-7667-a22a-6ab6897b23e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038131
StatusPUBLIC

Content hashes

Canonical text74b6210f393b576051e55ff248707b86f526890ee4649e37e950ebf7d015952e
Markdownea437af30e4772f2f636f3c6eaff61247ffa019286c5762a9a01d339da0d9061
PDF
Publication page0e65d95d60c12892de5eb9008e146a55fe27ce5d9695269b9332b6bb07273538
Manifestec7c44caede5403295c7365b797ed28073fa98fe60c98122ff988c6c45ff5d0f

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
SignatureycldRFT2gW4hixvljavAf4InSvmKAvUaAJvy9YPmQ4bNTs05q/0Ltd0Pdw+pNuLAig7PWvzF1RYOnL4TSe3gCg==
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

2026-09-17T11:23:28.524549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038131
observed 0e65d95d60c12892de5eb9008e146a55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:28.508283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038131/manifest.json
observed ec7c44caede5403295c7365b797ed280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:28.490829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038131/publication.md
observed ea437af30e4772f2f636f3c6eaff6124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:28.472367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038131/publication.txt
observed 74b6210f393b576051e55ff248707b86...
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.