OpenTechnical

OT-2026-000069598

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000069598) never changes.

Identity and time

Publication numberOT-2026-000069598 · never reused
Internal UUID01a0ae90-b52b-7e0b-87b1-c56b4fe36cea · 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-2026-000069598
StatusPUBLIC

Content hashes

Canonical textb79cf81ef1fd057bfee801bd5ad3f6e9b842847145d61d905ca06ebaf34f2f7a
Markdown860d2be650c7048119d59e6e5bb781d54c8f32fff51d744177d7352dd7f07caa
PDF
Publication page716f833675154c24f91fdfbb1356f8bc129b5593b07ea3b2e580cbc760c90f7e
Manifestab4339c0e20079e55edd28c9ba57d7ce63ce06ccc3dc17d31552e3822d62b56d

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
SignatureczeARgP+lZZqgDdS+PKTbXXqRxoFuqdFKV29GMMD0a7ehw9Gxgmx4ECLC8mK8jNkqqyb0jicAYESZnpXgDypAA==
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

2026-09-17T10:28:15.544790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069598
observed 716f833675154c24f91fdfbb1356f8bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:15.525912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069598/manifest.json
observed ab4339c0e20079e55edd28c9ba57d7ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:15.508945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069598/publication.md
observed 860d2be650c7048119d59e6e5bb781d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:15.490620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069598/publication.txt
observed b79cf81ef1fd057bfee801bd5ad3f6e9...
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.