OpenTechnical

OT-2026-000070881

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000070881) never changes.

Identity and time

Publication numberOT-2026-000070881 · never reused
Internal UUID01a0ae91-8c2d-7bb6-9641-f8ad5317565c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070881
StatusPUBLIC

Content hashes

Canonical texta7d9ca909939535cc324c5a4c5af91b394b6e3913641a37ad8968f2bd2461f17
Markdown2b2345313c4adfefcb1183cd5e3528a39ac097d7c01c68caa1f82ea4652129b1
PDF
Publication page26a6c7ddd8c7a127fb369f3fa4d5b23c146b3976814f5e28fded67a7f00cf77f
Manifestba9ad251f7e74f9b66a656f2dbf385d104355416e6abc2273245b1224ba97ebd

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
Signature8YBJebeo+bzDsnvUfdvjTLPyCpxHUTP9EUpXXbpMJq2g30Eq/E4QITFwpD0hWVJDh7Lf5k4A8shPA5K1ARTVCg==
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

2026-09-17T10:25:42.336146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070881
observed 26a6c7ddd8c7a127fb369f3fa4d5b23c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:42.319703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070881/manifest.json
observed ba9ad251f7e74f9b66a656f2dbf385d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:42.302748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070881/publication.md
observed 2b2345313c4adfefcb1183cd5e3528a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:42.284378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070881/publication.txt
observed a7d9ca909939535cc324c5a4c5af91b3...
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.