OpenTechnical

OT-2026-000057361

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000057361) never changes.

Identity and time

Publication numberOT-2026-000057361 · never reused
Internal UUID01a0ae87-d5bd-7b38-8e11-c8541e1a3817 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057361
StatusPUBLIC

Content hashes

Canonical text80c81a54f88bb9a9e3ab9544d0ea4779baae363ad560cb39cec0f0c42892dfd1
Markdown69999a1a32131dadb6c2e2801f3cc441d120ae8209a8c6dc4fe37a6e93cf6cef
PDF
Publication page8e6838df691422d99f85ae0cd141bbdc84563f7ea9259c08ed2864922fe94c27
Manifestd8686569d812f480380a2e5eedc282e30988519e56b4aa6b420ebb3d5c358d57

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
SignaturePLiw7A0rc99J3LsxxbDZ30ag7LinH8OaypsqZt1JDSNjTbu2hGG+U8A6zIxkCKZA8sUw3kghTHfFTzaXYdQ9AA==
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

2026-09-17T10:50:29.298708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057361
observed 8e6838df691422d99f85ae0cd141bbdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.279617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057361/manifest.json
observed d8686569d812f480380a2e5eedc282e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.262749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057361/publication.md
observed 69999a1a32131dadb6c2e2801f3cc441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.245963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057361/publication.txt
observed 80c81a54f88bb9a9e3ab9544d0ea4779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:38.479203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057361
observed 8e6838df691422d99f85ae0cd141bbdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:38.462396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057361/manifest.json
observed d8686569d812f480380a2e5eedc282e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:38.444446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057361/publication.md
observed 69999a1a32131dadb6c2e2801f3cc441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:38.426573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057361/publication.txt
observed 80c81a54f88bb9a9e3ab9544d0ea4779...
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.