OpenTechnical

OT-2026-000047113

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000047113) never changes.

Identity and time

Publication numberOT-2026-000047113 · never reused
Internal UUID01a0ae7e-d0f8-77f7-9aac-839cc9f5bc8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047113
StatusPUBLIC

Content hashes

Canonical text787f64a6b0666c0c2da30fbe101a9360c72c1744ccc583d2a9c13a3590f8e107
Markdown931dcd831b7d14ef4dd591376c393b3ab67af80182aa64ca5bef28db44bb9c9c
PDF
Publication page8a64aa8eac3caca6d5f650f37acf1f71dfb7686536dea3afc882d27e985a1e9f
Manifest07392c553d4370586dc931d4d41914ca9a8daa4a799509c592e4622a8cc46a94

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
SignatureYkU7UAS02EtQz9mlimGAiAtloeEJhD+wpkfaotrpPMowxGuH7V1OQ1hE3fjRT4HKi4tWOLJCqKPuwi/q7Ik5Bg==
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

2026-09-17T11:10:26.368051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047113
observed 8a64aa8eac3caca6d5f650f37acf1f71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.347257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047113/manifest.json
observed 07392c553d4370586dc931d4d41914ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.325642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047113/publication.md
observed 931dcd831b7d14ef4dd591376c393b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.304605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047113/publication.txt
observed 787f64a6b0666c0c2da30fbe101a9360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:54.609634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047113
observed 8a64aa8eac3caca6d5f650f37acf1f71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:54.589612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047113/manifest.json
observed 07392c553d4370586dc931d4d41914ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:54.569447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047113/publication.md
observed 931dcd831b7d14ef4dd591376c393b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:54.548730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047113/publication.txt
observed 787f64a6b0666c0c2da30fbe101a9360...
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.