OpenTechnical

OT-2026-000008540

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000008540) never changes.

Identity and time

Publication numberOT-2026-000008540 · never reused
Internal UUID01a0ae6a-e46a-7cba-9095-d2925c99609b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008540
StatusPUBLIC

Content hashes

Canonical textaede3c5b230e6e73f7d6f76938c99d691fbeef433fbfc258665fb0c6f5e2dae4
Markdown349f581d8f380b5ec2d705b200d82cbfc606a15c7e1ec00f4b9429be5cc6a0f0
PDF
Publication paged213dec509b5d54627853c6854892a4f82f31b568637d94b6f63de9db6cd5b75
Manifest087a9b361bdf5bd609ef26941af0fc51c141c76045370e1d1c86b08d285c0514

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
SignatureSNEedk2sFEx9MXdZhy7DFep1ccYftHHTb9da9eLWbYMdRfFn3+FdxH2lnmZIJqW4aQACzKXVGnQM5O1su2eoBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:27.883226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008540
observed d213dec509b5d54627853c6854892a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:27.855928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008540/manifest.json
observed 087a9b361bdf5bd609ef26941af0fc51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:27.832479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008540/publication.md
observed 349f581d8f380b5ec2d705b200d82cbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:27.800110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008540/publication.txt
observed aede3c5b230e6e73f7d6f76938c99d69...
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.