OpenTechnical

OT-2026-000100817

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000100817) never changes.

Identity and time

Publication numberOT-2026-000100817 · never reused
Internal UUID01a0aea3-66f5-70fd-908f-d6bbf1023bed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100817
StatusPUBLIC

Content hashes

Canonical text94fe75f8a2f0ae155c289139770dfcae1f15e2607e995c416339302e46fea8a9
Markdownac1f70133987167a1cb63f1cdcee38adfc4d513ddaf5b8f2031659b8a331086d
PDF
Publication page160e74168641217b754d13f63c85e06d0488a559c11ba5f57703de30f4b00c32
Manifeste89883a356d1a585a5a7648238f5218683437287abf344b11c2acfd2e6ae9119

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
SignatureYvrUdxbs/7R4c2ca3duseb9+xxR9Sg6vPQUnnxrbj6dJZm+kW0YpwVG87LWXl8mX2LuhkW37ZOTCngRW9lOjCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:44.170807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100817
observed 160e74168641217b754d13f63c85e06d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:44.152736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100817/manifest.json
observed e89883a356d1a585a5a7648238f52186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:44.132041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100817/publication.md
observed ac1f70133987167a1cb63f1cdcee38ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:44.108420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100817/publication.txt
observed 94fe75f8a2f0ae155c289139770dfcae...
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.