OpenTechnical

OT-2026-000069618

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000069618) never changes.

Identity and time

Publication numberOT-2026-000069618 · never reused
Internal UUID01a0ae90-b52c-7286-8299-0fe57d8aa35c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069618
StatusPUBLIC

Content hashes

Canonical text6531fc6406bd8258b01774fd0adce2cef204bb39b56ccec092849f36f550c049
Markdown14200f6216fdbd7171b3ef0093809d27a75f0d74a33ecbf7351e858731400ac9
PDF
Publication page6122f321a3798f402878473d086280601fa60c43a8281a08a3b2756c8bf050bb
Manifest108e332389afc335745677b09ba4fb32d7bd4d3568621ec4976bd1f4dcae4df2

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
SignaturervgDNaiz66Yyor99ksK9tGkOPkHHWO5y1SBcQB9Hk9yjhBxkUVB3UmsRH2UjouiEUCYa/Y1hEFgz9EDENCmxDQ==
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

2026-09-17T10:28:16.877304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069618
observed 6122f321a3798f402878473d08628060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.859926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069618/manifest.json
observed 108e332389afc335745677b09ba4fb32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.839385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069618/publication.md
observed 14200f6216fdbd7171b3ef0093809d27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.821579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069618/publication.txt
observed 6531fc6406bd8258b01774fd0adce2ce...
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.