OpenTechnical

OT-2026-000080476

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000080476) never changes.

Identity and time

Publication numberOT-2026-000080476 · never reused
Internal UUID01a0ae96-7e78-7995-b671-5b4cf2400fd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080476
StatusPUBLIC

Content hashes

Canonical text882b450375847c706f7229eded9315c8ae8df4a56104c3c8047afd201ffa1ccc
Markdown1f7a07bcc3d274a6f5e895089174b418b1a932301255f8320a5feaec4ef144a9
PDF
Publication page25d0d66d997e5b68f07d19200ca6c12a99a1bd648341b90f42b06e85f36036c4
Manifest402252d97603def44dec014e5b784427068235a842dd95884e19292b9d94b7c3

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
SignatureNBC/hlWxU/dpjL2b01ZFLve/5zw7t1a5HNPW15xrXI1rZFZUb6yKjP4R23q8XY9g556gYQG1HMS8Ft8y5/t8AQ==
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

2026-09-17T10:02:59.818607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080476
observed 25d0d66d997e5b68f07d19200ca6c12a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.802070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080476/manifest.json
observed 402252d97603def44dec014e5b784427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.782960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080476/publication.md
observed 1f7a07bcc3d274a6f5e895089174b418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.764660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080476/publication.txt
observed 882b450375847c706f7229eded9315c8...
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.