OpenTechnical

OT-2026-000091218

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000091218) never changes.

Identity and time

Publication numberOT-2026-000091218 · never reused
Internal UUID01a0ae9c-f16c-7969-8936-2ff07f1ef55c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091218
StatusPUBLIC

Content hashes

Canonical text54d77db56a98c7ca67a604be512844c356f9d2b8393de83e62aae8bfcb05331f
Markdowna654381ec5913f71440da8b6d9e9fdbffd5d83910af455027a43a56e193bf394
PDF
Publication page21ba2e427a6f10138c984962e7e9b1e20fce3a843c93b023d416b1c79c6fd281
Manifest644b00e66a993d26a783222ff93d373bc1956144db1e0499bf1a5417a22bf6a9

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
SignaturenZiYIi4DZZ+tirg7tFfsHablL52iLyo1IAXhVcLH9kGQG3upWLwCM+vmHC0ywNFl1COw1cK0Fb9u9V+3XgtcCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:23.307728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091218
observed 21ba2e427a6f10138c984962e7e9b1e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.290825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091218/manifest.json
observed 644b00e66a993d26a783222ff93d373b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.273587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091218/publication.md
observed a654381ec5913f71440da8b6d9e9fdbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:23.256526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091218/publication.txt
observed 54d77db56a98c7ca67a604be512844c3...
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.