OpenTechnical

OT-2026-000045557

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000045557) never changes.

Identity and time

Publication numberOT-2026-000045557 · never reused
Internal UUID01a0ae7d-8f02-7f3c-aeab-b569ce24d900 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045557
StatusPUBLIC

Content hashes

Canonical text32df98c22bb9f7cc545717652fd96c0de9e2643db1fb6298bcfa46764628b256
Markdown4a0d88b19a67e295e1e0dd994ca35c2bcca266422877a1871b74aa389c0a9a17
PDF
Publication page50c9b17b346b8eb4b9af73da13d14cb951405584d1bdad1d9b4a1557e0b541c7
Manifest61d62677f9a029f55478cf4d82a49d310a3d3bf615275184092a83cd5f4e1f3b

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
SignatureRsoe41GkeK2y+6ZttNXvtXGyRVziXG9dICG97W2EQMygvsXR3Wn5iBKCtyC/Mes2UVjzu9LwkDEu5Jap8gW4Bw==
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

2026-09-17T11:09:18.821808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045557
observed 50c9b17b346b8eb4b9af73da13d14cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.804936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045557/manifest.json
observed 61d62677f9a029f55478cf4d82a49d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.785000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045557/publication.md
observed 4a0d88b19a67e295e1e0dd994ca35c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.766385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045557/publication.txt
observed 32df98c22bb9f7cc545717652fd96c0d...
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.