OpenTechnical

OT-2026-000038145

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000038145) never changes.

Identity and time

Publication numberOT-2026-000038145 · never reused
Internal UUID01a0ae77-f88b-7372-a68a-e008d77cc1c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038145
StatusPUBLIC

Content hashes

Canonical textdfee680b6b01b0f277f9985fcc0571fac158386932e721221dec0d1c9e8fec57
Markdown3a074b4e91d70c62bfbb1214c3a62c029c83eea015ed009bef12becf35d2d2b2
PDF
Publication page0ed577c4cd981d9804b70f95e9371ef76cb83375f38bbca808f1a8248a987e2b
Manifestccc6ce532cbd71ba3dffa2dcdcc7444be5984b700916573acc4daf7ec7da780e

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
SignaturegnbMoEt3fn9hqcPHkkrOdKyl7tVJof0BWwavtFZ6wGAXFuV41RraZXpbJqYJod0MHLVX4ktLYz/d4usdOQezAQ==
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

2026-09-17T11:23:29.606539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038145
observed 0ed577c4cd981d9804b70f95e9371ef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:29.589333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038145/manifest.json
observed ccc6ce532cbd71ba3dffa2dcdcc7444b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:29.572723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038145/publication.md
observed 3a074b4e91d70c62bfbb1214c3a62c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:29.554881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038145/publication.txt
observed dfee680b6b01b0f277f9985fcc0571fa...
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.