OpenTechnical

OT-2026-000015170

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000015170) never changes.

Identity and time

Publication numberOT-2026-000015170 · never reused
Internal UUID01a0ae6d-ef47-7d0a-80e4-a8cea4e37b19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015170
StatusPUBLIC

Content hashes

Canonical textd3a23f40be1197c2b4b4324945cf178c365add6c3bf856797fe8499fcee23376
Markdown4d9af2811498226b74e7e649246b3027a10a2ec72f33a384a3d183db78228f77
PDF
Publication page27b3386fb3ee3c37ea2e547948e3b5815f13e1b0cff2c638ac6b16f484f8b755
Manifest976ca03361afdc66723180aa78392d994c07504a5f634df718ad702e370caf7b

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
SignatureW+emTvwrjXKclU72uPTrEAA7otlGu4eKCWBhFpxYK6t0R3YegcqUa7IvsiEFK3h3zehh5dXIzM4cLh3tXcyYAw==
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

2026-09-17T12:05:47.360191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015170
observed 27b3386fb3ee3c37ea2e547948e3b581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.341610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015170/manifest.json
observed 976ca03361afdc66723180aa78392d99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.322041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015170/publication.md
observed 4d9af2811498226b74e7e649246b3027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.302078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015170/publication.txt
observed d3a23f40be1197c2b4b4324945cf178c...
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.