OpenTechnical

OT-2026-000008858

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000008858) never changes.

Identity and time

Publication numberOT-2026-000008858 · never reused
Internal UUID01a0ae6b-31b7-770f-a06c-648b935867a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008858
StatusPUBLIC

Content hashes

Canonical textd2294767cb620a2da933b449e0fdee9e2788ee6242478a1d7121703d7256f43d
Markdown4a16716423dfb487f8f6bf02f8eeb09859cb4b0511be0ef3fc1165b8f555719f
PDF
Publication pageca02910dbd44409b0e8e42c55306a8a567906fe11a1fff0c1048305237672c79
Manifestf25d3949b9184cdccf0edd835ea3d68e318c9fe6353fc1601f4e0b9c24f6e6cd

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
Signatureq/hp2MnqLcSJd8tySgoe1kTFekHf/sFhE6dFNaFca36iT2Vn/6n+aL9T1NjGXhryZ/y08OkEOVc2TFIATMw9BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:26.492859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008858
observed ca02910dbd44409b0e8e42c55306a8a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:26.474425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008858/manifest.json
observed f25d3949b9184cdccf0edd835ea3d68e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:26.452295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008858/publication.md
observed 4a16716423dfb487f8f6bf02f8eeb098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:26.431256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008858/publication.txt
observed d2294767cb620a2da933b449e0fdee9e...
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.