OpenTechnical

OT-2026-000068805

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000068805) never changes.

Identity and time

Publication numberOT-2026-000068805 · never reused
Internal UUID01a0ae90-6dcb-7960-a0e0-db152b8e8303 · 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-2026-000068805
StatusPUBLIC

Content hashes

Canonical textea516bfd01532f5c2f2aa5cf948b00ab61ddc1015c264f810fd918fcece20744
Markdown76e39178c9db2e92f6f7fc1439e1d0ac34ac51481ffdd0082e31d9e4296d1665
PDF
Publication page7b8657bde3378d60e7e7587a732fd53c3101c1d43be739f27603e5eafdab523f
Manifest77459be681000a7126787cdecc841ab30416e3c10fa676b6cedd4bd362d4a27d

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
Signature5/Nq7GH9KmG4I6it+fxvcAhvyTq5+OiswkCAD+3xgetRu/J3jJ++CF3Ev+dhkeItwuF9NyaD6c2zMfM/chVVDg==
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

2026-09-17T10:28:36.424019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068805
observed 7b8657bde3378d60e7e7587a732fd53c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.408188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068805/manifest.json
observed 77459be681000a7126787cdecc841ab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.391169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068805/publication.md
observed 76e39178c9db2e92f6f7fc1439e1d0ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.374152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068805/publication.txt
observed ea516bfd01532f5c2f2aa5cf948b00ab...
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.