OpenTechnical

OT-2026-000015988

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off before 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-2026-000015988) never changes.

Identity and time

Publication numberOT-2026-000015988 · never reused
Internal UUID01a0ae6e-0c4d-794f-9094-58f315fb4112 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015988
StatusPUBLIC

Content hashes

Canonical text9dd09b02f0adcfceb8d751378cf597fc57748cd38cea6415580d6d5c1990ece7
Markdownac7e92882024270e2fbf49969ee55bdf9fa6a764dd6cd07fe92f3895926ae5f9
PDF
Publication page70b1c15a21146d52c6554100949475c6a3e916ceb1776757f73b8b9045eda733
Manifest3a2c28c54ad36e6b05c99765835b1d44b0230047b168fd14665b980c9f36b233

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
SignatureRkoOuJHKMZzcXyfPbqRs+XuCGPc7n28PDbAn5A6dq9UJM3fvfjc7euCnhWa8qCp7w5LMUmoB++xUmcX9suktBQ==
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

2026-09-17T12:05:30.242899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015988
observed 70b1c15a21146d52c6554100949475c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:30.216641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015988/manifest.json
observed 3a2c28c54ad36e6b05c99765835b1d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:30.192281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015988/publication.md
observed ac7e92882024270e2fbf49969ee55bdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:30.168751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015988/publication.txt
observed 9dd09b02f0adcfceb8d751378cf597fc...
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.