OpenTechnical

OT-2026-000068711

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000068711) never changes.

Identity and time

Publication numberOT-2026-000068711 · never reused
Internal UUID01a0ae90-2483-7000-83c7-bf816a79dd96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068711
StatusPUBLIC

Content hashes

Canonical textf163477a50000cc1195145782b22f0a7b2cb222a38349d8210b9c98b2ffd9d72
Markdown0f7cd9fe7d56e1ce6995d7d73a5f22c7fc1bba3ae0dde29f3cf7e3bd5f3487c1
PDF
Publication pagecb14c73a225634d9c3f988ff0c4326a9112e1a1740693a3198a31d9398c3924e
Manifest2b9342879d6060dd98b972f8acb21a8446cd168cfda293336033cfb6c8771939

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
Signature3tX/fPiVKNWZQAiMH8qN5R6MU7WQVxid4j56eepN9vpjt5VpoREJEkpKjBRgLMVav9yQHpTdvTbX4FlIhM7bAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:55.219540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068711
observed cb14c73a225634d9c3f988ff0c4326a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.202112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068711/manifest.json
observed 2b9342879d6060dd98b972f8acb21a84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.185416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068711/publication.md
observed 0f7cd9fe7d56e1ce6995d7d73a5f22c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.167744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068711/publication.txt
observed f163477a50000cc1195145782b22f0a7...
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.