OpenTechnical

OT-2026-000084170

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000084170) never changes.

Identity and time

Publication numberOT-2026-000084170 · never reused
Internal UUID01a0ae98-5b5f-705a-b3a5-8ae22333199a · 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-2026-000084170
StatusPUBLIC

Content hashes

Canonical text8e396c080ab9fd7f6dc868ff05ee8b2fbec6be8b8e39386e26cfa98f0da767fc
Markdownad8aaef7b5986bf3956bbc2df0f3f306504b71a20b6287e95416ecc141cde2ce
PDF
Publication page793df55eaa60a5c885b6740d006c8bfe48e32cd44ad24c3dcbeaa6ecc03328da
Manifestf1eb964cff9e2d50a5fe1113339d42c474405020cdb4546cbcb4bab6143e028b

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
SignatureaCv7dJZdmB5dCM/u/0Azsm8raREizkFKG0HoAOWnJ9GmFR3tYZQ8GqUN/J0+5r5w6Bf6LZunAXDLdsuFTthgDw==
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

2026-09-17T09:55:56.746200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084170
observed 793df55eaa60a5c885b6740d006c8bfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:56.729524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084170/manifest.json
observed f1eb964cff9e2d50a5fe1113339d42c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:56.710277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084170/publication.md
observed ad8aaef7b5986bf3956bbc2df0f3f306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:56.691855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084170/publication.txt
observed 8e396c080ab9fd7f6dc868ff05ee8b2f...
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.