OpenTechnical

OT-2026-000068163

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000068163) never changes.

Identity and time

Publication numberOT-2026-000068163 · never reused
Internal UUID01a0ae8f-c4ff-7bf4-bcc9-b4b0d6c26a6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068163
StatusPUBLIC

Content hashes

Canonical text86b61998223379263fa16f3cca3a790b52d1ca7b5a906bf7f8091b6f423239fd
Markdown85e2d77dee856c784607a96372dc6a28c4ab43d8bb8123d754a315d7d81f6bff
PDF
Publication page4b4ff7f57497e740ba95be41e4d41ed83ddb2c40d3ee0ac0027c43844820fbb3
Manifestfb8d82905749cf1a7f14f21b214072d2a087ec4fb546fb70bb23dfcacca309f9

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
SignaturevO+cROzLih5xBgpBUQQb6FWVyD64V5rsPGnIKDi+g7YBYm6nyZt6FtrsHFVBHoiF29k29qrKzoGC0FB6skjGAA==
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

2026-09-17T10:30:49.052227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068163
observed 4b4ff7f57497e740ba95be41e4d41ed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.034565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068163/manifest.json
observed fb8d82905749cf1a7f14f21b214072d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.018354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068163/publication.md
observed 85e2d77dee856c784607a96372dc6a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.002173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068163/publication.txt
observed 86b61998223379263fa16f3cca3a790b...
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.