OpenTechnical

OT-2026-000081140

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000081140) never changes.

Identity and time

Publication numberOT-2026-000081140 · never reused
Internal UUID01a0ae96-b977-7e23-a507-d9ac532cdd96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081140
StatusPUBLIC

Content hashes

Canonical text97f0d9e52e2627227df3de7c897b1c92797bb822cbe96e704d5c8d0e05c75774
Markdown83a3bc88759c66a6f743cee7f9d9a7fb543e1e25a3814f3a2cba7f516d78a7dd
PDF
Publication page8b9dea72315ee70a8278e4fe0c27e1dd2a61614b7aabf107767f76b2b8363331
Manifest2b26bcd519a1c635a01018d49aa1403e076795957dbe39e9fe66c20b68ed9758

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
SignaturerEbJMIkfAORGbwniype1NPIRXuotfv9hepOUaro0x4SJooxmn3MVue3pELoE1/oC1hCPZXTn5odBGqcWbGQ3Aw==
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

2026-09-17T10:02:27.268011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081140
observed 8b9dea72315ee70a8278e4fe0c27e1dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:27.251502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081140/manifest.json
observed 2b26bcd519a1c635a01018d49aa1403e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:27.235764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081140/publication.md
observed 83a3bc88759c66a6f743cee7f9d9a7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:27.217652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081140/publication.txt
observed 97f0d9e52e2627227df3de7c897b1c92...
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.