OpenTechnical

OT-2026-000084040

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000084040) never changes.

Identity and time

Publication numberOT-2026-000084040 · never reused
Internal UUID01a0ae98-5b5e-78fb-9f30-d94ff52148ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084040
StatusPUBLIC

Content hashes

Canonical text5388e23864974822e5363cae203e15da40d778fb31fcb13e1dc9d19f449e4362
Markdown60454d538758adb6307def3fb4060b260a2ddcddb24f3d9537e2f32aac2146ae
PDF
Publication pagefebed2dc8431dcc5952b162942cfec3a9ea4d0486008ea70669fa151c4558ef6
Manifestbad089b6d81902ccbe221be5c1de6bf52de4033fc4c4ed9c0ab799873485aa0a

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
SignatureQgB/BYMnUt8mY76kxzQhoEXihpBlY+4bIlMOwvCYvbwvoJFixKjeCBbwFRYOLxwdA8JYpvq/2x0BoTUFsbhMAg==
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

2026-09-17T09:55:46.185726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084040
observed febed2dc8431dcc5952b162942cfec3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.168806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084040/manifest.json
observed bad089b6d81902ccbe221be5c1de6bf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.150958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084040/publication.md
observed 60454d538758adb6307def3fb4060b26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.133477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084040/publication.txt
observed 5388e23864974822e5363cae203e15da...
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.