OpenTechnical

OT-2026-000068052

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000068052) never changes.

Identity and time

Publication numberOT-2026-000068052 · never reused
Internal UUID01a0ae8f-c4fe-78a1-a018-88b5f20e4b80 · 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-2026-000068052
StatusPUBLIC

Content hashes

Canonical textb0f5ac9801f52ae6779922dadd9c0ea560160ca5943cf48962d42bbcde213b39
Markdownc7f96e2d6719ca2dddd126529b63723eb605d9f69b1de65f6059917d8b3aa1cb
PDF
Publication page7abef2e7fd3fffe20f389394ff0334e074fdf287a117c3d4a22465da0f81e17e
Manifest2ddbe40c96266683fec3cbbb5a91c620501781c021fd1f20a279507f44b92e2f

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
SignaturefKjIxM4YHSvQkdtcqfuPiWyGIOQmBMFjEA4kFtVio3BeG/W9CG8Id16eG6s0gxmaGN4jAyuySzGQ6uEATDGDCQ==
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

2026-09-17T10:30:37.223158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068052
observed 7abef2e7fd3fffe20f389394ff0334e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.204125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068052/manifest.json
observed 2ddbe40c96266683fec3cbbb5a91c620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.185868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068052/publication.md
observed c7f96e2d6719ca2dddd126529b63723e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.162794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068052/publication.txt
observed b0f5ac9801f52ae6779922dadd9c0ea5...
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.