OpenTechnical

OT-2026-000046616

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000046616) never changes.

Identity and time

Publication numberOT-2026-000046616 · never reused
Internal UUID01a0ae7e-57de-781e-af65-e2bcfeff50d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046616
StatusPUBLIC

Content hashes

Canonical texte9a2efbf37b9a1a33f48fe79f97d442813af24a19855720f2f44c34abd4aea3c
Markdownc792a979d5c9bb98058564f3e369bfb14641b7f6dba975653eddc25fc0730621
PDF
Publication pagec21e883dd868add89131e49bddba259bb1aa5e96435b71065e4eab64ac3995fa
Manifest8af242d8aab0b1a5468d66837d4ab900858d363941343676d6e05657dad32c49

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
SignatureJ1yVfklrl7LQCoj+wPuYC/6Ix+EQy98I0RHLUZCaDW0OiRA8SghIf/+9dW026MaUXtXeWJRIVJJ41q2X0pQ9BA==
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

2026-09-17T11:08:41.903727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046616
observed c21e883dd868add89131e49bddba259b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:41.883968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046616/manifest.json
observed 8af242d8aab0b1a5468d66837d4ab900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:41.864414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046616/publication.md
observed c792a979d5c9bb98058564f3e369bfb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:41.843742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046616/publication.txt
observed e9a2efbf37b9a1a33f48fe79f97d4428...
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.