OpenTechnical

OT-2026-000042300

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000042300) never changes.

Identity and time

Publication numberOT-2026-000042300 · never reused
Internal UUID01a0ae7a-5d73-74ce-adad-931e8d149b1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042300
StatusPUBLIC

Content hashes

Canonical textfebc6f0d6926e19c1e570be4ae37ed61486aab49c9e358d2b9a87a5219abd21b
Markdowncb86eac166a7e942719d353c478cacbfe65b1097cdeaa215d6121ce94edbc688
PDF
Publication pagef4b1ad269293a1247b1900e71042b189e4740f9117be68084b01afc997810ec8
Manifestd85e2189b73572bf6faceba623ada6c5ea24a9333d5a88bf4460bc622f989f58

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
Signatureq10XHA3ki6onKJA6X4I8h+Fr/UoeaQkWOG2Fo7EvtQUuFPsPHX8fK3OQ2EV5L7wfGddEHt3oi/K7ajvhQaMUAA==
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

2026-09-17T11:15:59.917536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042300
observed f4b1ad269293a1247b1900e71042b189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.899262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042300/manifest.json
observed d85e2189b73572bf6faceba623ada6c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.883309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042300/publication.md
observed cb86eac166a7e942719d353c478cacbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.866460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042300/publication.txt
observed febc6f0d6926e19c1e570be4ae37ed61...
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.