OpenTechnical

OT-2026-000017440

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000017440) never changes.

Identity and time

Publication numberOT-2026-000017440 · never reused
Internal UUID01a0ae6e-76c9-713c-9348-0dd01ea3b0d2 · 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-2026-000017440
StatusPUBLIC

Content hashes

Canonical text71466a92f2d6cff027324bd7e3ebc7411025b4599d409537da1531745197b7a6
Markdownbd89a1895d7cab83abc428c6fe04bf053e9bc42a2fdaabdb0ab7fab44cc93f75
PDF
Publication page1d8fb76b34a869a508fd5fcad5956d61da3e35818aa57d394fff313fc4bfe8cd
Manifest5f4800da9633190133b433c2f9c59d52dc8527ba5ae05380e7195fcd58864180

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
SignatureQbU9U2J83bKV5m/9utzPFOrTICeVyTSuCngLtsyD0J9ZsF67v0kOSF1/j+VANLksX+BgwIvJLMvqWJrnZeTABw==
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

2026-09-17T12:02:34.456529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017440
observed 1d8fb76b34a869a508fd5fcad5956d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.440425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017440/manifest.json
observed 5f4800da9633190133b433c2f9c59d52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.424315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017440/publication.md
observed bd89a1895d7cab83abc428c6fe04bf05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.407308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017440/publication.txt
observed 71466a92f2d6cff027324bd7e3ebc741...
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.