OpenTechnical

OT-2026-000068136

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000068136) never changes.

Identity and time

Publication numberOT-2026-000068136 · never reused
Internal UUID01a0ae8f-c4ff-7506-a0d9-303022a39471 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068136
StatusPUBLIC

Content hashes

Canonical text9be8d4b71bc5a2d23588c5cef6543ba85e0b6b2c16e04d27f84379cbeca18efd
Markdownc45e0d506a0f5d534cae43cbe9864bed388add2199a1786602137249f3671b88
PDF
Publication page12cf3cb93dcc344d21c44401d1f7dea77b3ea0b14ea67e6d486db86dd839de7c
Manifest4a3b037a55d2e30893167808b1b9e812109fa66ca90ac772bec0c570f3a854af

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
SignatureosyKR0qDmpORJ9Xt+Gewc4nqHUNf8rnMziB4iZKMZvU8sutQFYH/KDw3qkmpYWuTC9tfgqW+QhyVNnb17x6fDQ==
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

2026-09-17T10:30:46.715827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068136
observed 12cf3cb93dcc344d21c44401d1f7dea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:46.697169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068136/manifest.json
observed 4a3b037a55d2e30893167808b1b9e812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:46.679709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068136/publication.md
observed c45e0d506a0f5d534cae43cbe9864bed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:46.660752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068136/publication.txt
observed 9be8d4b71bc5a2d23588c5cef6543ba8...
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.