OpenTechnical

OT-2026-000044561

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000044561) never changes.

Identity and time

Publication numberOT-2026-000044561 · never reused
Internal UUID01a0ae7c-39d9-7bc6-ab77-93b5963d6f92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044561
StatusPUBLIC

Content hashes

Canonical text6859f88b66535d546ab264c94c74ebc285f1c3b2d190af903d680dfedc3e12b3
Markdownb8232252e8754b94e8297209963835a286a0bdcef1a777b4497932e9b0606cbe
PDF
Publication pagea0b4999fc1fb9eabff9ecdb61994eac024d7f463cc741062be5e4e26dd182a38
Manifest4419764afced393a2615d53505bbc37f3ca8c07744e1dae743ad59de345abca4

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
SignatureGKhtCpZDrvlg9iB40Enb7vD2O38VCR7uoZ1O31J1CQ+WbiGa7rmg5nbIyQKSp+QI2yZtxgVGVHiafyc6PoZpBA==
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

2026-09-17T11:11:45.193425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044561
observed a0b4999fc1fb9eabff9ecdb61994eac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:45.172771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044561/manifest.json
observed 4419764afced393a2615d53505bbc37f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:45.154170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044561/publication.md
observed b8232252e8754b94e8297209963835a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:45.134251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044561/publication.txt
observed 6859f88b66535d546ab264c94c74ebc2...
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.