OpenTechnical

OT-2026-000038902

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000038902) never changes.

Identity and time

Publication numberOT-2026-000038902 · never reused
Internal UUID01a0ae78-769f-7583-ade3-de0afc634498 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038902
StatusPUBLIC

Content hashes

Canonical text9bf7c702518baf91f33d5244950b23eaf7b57078a7a772dc3612a095adc5943e
Markdown81aaf3ce08e5f0198ef1d128f57d19a68f440d4332fe05c210885ea7839b17bb
PDF
Publication page26609062ee37deb0562d93b5b5e9c9243cb020024175d97cc646e54830ff5a3a
Manifest6474197c99780b1340766b2f24e65ddd22a2a1ef07aca0a49047836def60ea9a

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
SignatureJLJIGyiSon4xalPfHdKlSXurdcqqtHquYW3niaD0AXVld3diFQbQQOtaCjtsyIqaUIdUkk+1b/FZIkwI7D25Dg==
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

2026-09-17T11:21:34.342911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038902
observed 26609062ee37deb0562d93b5b5e9c924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.324744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038902/manifest.json
observed 6474197c99780b1340766b2f24e65ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.307299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038902/publication.md
observed 81aaf3ce08e5f0198ef1d128f57d19a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.289436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038902/publication.txt
observed 9bf7c702518baf91f33d5244950b23ea...
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.