OpenTechnical

OT-2026-000055380

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000055380) never changes.

Identity and time

Publication numberOT-2026-000055380 · never reused
Internal UUID01a0ae86-a101-7670-887c-e0befef97946 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055380
StatusPUBLIC

Content hashes

Canonical text1acd2b809d215b33403c8d8af72b8d052fa98c33d5aa43bbc1ae0cac92a4c40b
Markdownb60cefd1e0a73c10691f8e78e0966ebd32bd4ab2879623634faf27dda6be6d52
PDF
Publication page47debf2ebc91e285590606a1b760be80e27df63d6973aff6958e40b7846c0e89
Manifestb28e61228a42dabe9c24889e8651b1235fee3fc857c1046d99b46b69bede98ac

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
SignatureLT3kariVguG/y/Dj2feGXXG0UXGLeTb988CLomLNcbD/S+wyRPtQDNE3Q9SbfYigDB1rqvxN+euEvacjRCuSAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:00.842201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055380
observed 47debf2ebc91e285590606a1b760be80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:00.824890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055380/manifest.json
observed b28e61228a42dabe9c24889e8651b123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:00.804884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055380/publication.md
observed b60cefd1e0a73c10691f8e78e0966ebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:00.764524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055380/publication.txt
observed 1acd2b809d215b33403c8d8af72b8d05...
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.