OpenTechnical

OT-2026-000014130

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000014130) never changes.

Identity and time

Publication numberOT-2026-000014130 · never reused
Internal UUID01a0ae6d-b278-7b82-a980-b2b382c141fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014130
StatusPUBLIC

Content hashes

Canonical text0c7f3d5e6c013eea10e6be9aa73984f4dbeb6678da6f2d0909d2fcc0e41870d4
Markdown545c3af16e75bef468987db0dc8baf7a356d87c75d417fd0f2207581b04d6c45
PDF
Publication page198b354f88154d6506495cb6d5606411591e197c68e83e24b5be31ed632d78da
Manifest36fb4727ae3af0e6d91c99f8a27b5eace37666c03755d74507dd9eb0533fce85

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
SignaturesBk6t7ihryYsx+4+lXRglHMv44IM3EiWLh+5oJvO0KnqHedzpOxKpeZXAq50/1LA4T7ZszxZfhnOCeNn9/GYAQ==
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

2026-09-17T12:07:12.157485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014130
observed 198b354f88154d6506495cb6d5606411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:12.138073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014130/manifest.json
observed 36fb4727ae3af0e6d91c99f8a27b5eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:12.117296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014130/publication.md
observed 545c3af16e75bef468987db0dc8baf7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:12.098728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014130/publication.txt
observed 0c7f3d5e6c013eea10e6be9aa73984f4...
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.