OpenTechnical

OT-2026-000072398

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented before 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-2026-000072398) never changes.

Identity and time

Publication numberOT-2026-000072398 · never reused
Internal UUID01a0ae92-89d7-731d-8ae6-a9e1543ea3d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072398
StatusPUBLIC

Content hashes

Canonical text8fdf19d873026448d415529f3685548cc4a3b87556603b07cace95ba28d3f8ca
Markdown4c5fefb18201349246be9c4a0b001d0abbf3b1a7a5c8abbaae80f5d4fcf8a854
PDF
Publication page4a187904443baa9406b41e77e2bd0df71748f99f11b6174338c222c308b2c65b
Manifestece9d82443b180e04170d6944ab66a099f5ccdc8440741488af1085bd4cbe528

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
SignatureI1wehuCo426h7V+5RYkZediF1PvPTcEOWGkSy8qkp7y+iTQjo1Dlf5a7lcIsp2XEd3cXHGRnZNkcwV1l8Bs4BA==
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

2026-09-17T10:22:12.508434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072398
observed 4a187904443baa9406b41e77e2bd0df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.490662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072398/manifest.json
observed ece9d82443b180e04170d6944ab66a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.471813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072398/publication.md
observed 4c5fefb18201349246be9c4a0b001d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.453417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072398/publication.txt
observed 8fdf19d873026448d415529f3685548c...
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.