OpenTechnical

OT-2026-000069508

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000069508) never changes.

Identity and time

Publication numberOT-2026-000069508 · never reused
Internal UUID01a0ae90-b52b-75ba-8f91-6485db582169 · 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-2026-000069508
StatusPUBLIC

Content hashes

Canonical textc167025e0594a582064e7dcc89ce460823c2608850a184c92474e67a380075a3
Markdown8ef8c12048db144a51b39fbad001cfa1a361c521389efbae9f60d4f88690a8d5
PDF
Publication page4ad9b2bca0336718f43d4fd70ed490ad48cd3e1634c7e2be40f2257489cd5273
Manifest350ef235d42e6d5ca2a059743de993a732e18e73edfd890fd4e7c167ca5aae65

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
SignatureaHXAvWNR4+U/FsNZx2jaTulj2khllOzx81QE+sMiZdYvvk8D/Z0ygmm/2SmekFKKSuLtiFBdvSh9DvKGis/ZBA==
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

2026-09-17T10:30:35.639263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069508
observed 4ad9b2bca0336718f43d4fd70ed490ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.618258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069508/manifest.json
observed 350ef235d42e6d5ca2a059743de993a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.599507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069508/publication.md
observed 8ef8c12048db144a51b39fbad001cfa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.567373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069508/publication.txt
observed c167025e0594a582064e7dcc89ce4608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.553529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069508
observed 4ad9b2bca0336718f43d4fd70ed490ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.534579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069508/manifest.json
observed 350ef235d42e6d5ca2a059743de993a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.508789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069508/publication.md
observed 8ef8c12048db144a51b39fbad001cfa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:08.467314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069508/publication.txt
observed c167025e0594a582064e7dcc89ce4608...
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.