OpenTechnical

OT-2026-000068738

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000068738) never changes.

Identity and time

Publication numberOT-2026-000068738 · never reused
Internal UUID01a0ae90-6dca-7c52-934f-5e216af7bcf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068738
StatusPUBLIC

Content hashes

Canonical text63a675ff22788e5e4ecdc8cd4012fafa4f56b6188bf0c043a11d33d2a707606d
Markdown4182e27e74dcac54c2f5699e28ea241442c02e606280424ba110ed2c80bc7cae
PDF
Publication page86fe526aae9d3bf5ebd7867b8579930ca50bb649adecdf36dc42f3e093bae1e4
Manifest347cb57d63b587dc51d8bb48508931afcfc039a3008dbea8b01973a9ab28685a

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
SignaturelQYEIBYzMHgdMASyV1+6S6n9ZAKu1opedtavnegPpmRjL6+gvJEpBdoszJ8lkEGipCg784GBubJqXHWJkcZwDQ==
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

2026-09-17T10:28:30.928350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068738
observed 86fe526aae9d3bf5ebd7867b8579930c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.909565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068738/manifest.json
observed 347cb57d63b587dc51d8bb48508931af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.890681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068738/publication.md
observed 4182e27e74dcac54c2f5699e28ea2414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.871536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068738/publication.txt
observed 63a675ff22788e5e4ecdc8cd4012fafa...
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.