OpenTechnical

OT-2026-000038937

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000038937) never changes.

Identity and time

Publication numberOT-2026-000038937 · never reused
Internal UUID01a0ae78-76a0-7a63-9555-f9f1264374cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038937
StatusPUBLIC

Content hashes

Canonical text8a7bc0c7ea018d32ece45d4a5f0ae373e314b8fc7dc94f124bfa9a09644397d9
Markdown8017547feacb543efae11ddccc5a7e2222b6edd7ea3cfafd5a23beb9eabf2632
PDF
Publication page3443d879f5cecd4bbb595c9dee4efc56d7a1493db05d529ee6077f3b1f267de0
Manifestea6a4539670f327f2d2160cd76d28ef487a403d21011bb7ea676dfa986e9dd8a

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
Signatureukn5vaDZ2ptP1L7NFmMKvf3jeTTHfN6X7pNnSCo5RFXO9D17bkf3qBa6HN9h73P6net/V6td4792XksOb6GxBw==
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

2026-09-17T11:22:12.461307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038937
observed 3443d879f5cecd4bbb595c9dee4efc56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:12.442903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038937/manifest.json
observed ea6a4539670f327f2d2160cd76d28ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:12.422918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038937/publication.md
observed 8017547feacb543efae11ddccc5a7e22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:12.404608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038937/publication.txt
observed 8a7bc0c7ea018d32ece45d4a5f0ae373...
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.