OpenTechnical

OT-2026-000029557

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000029557) never changes.

Identity and time

Publication numberOT-2026-000029557 · never reused
Internal UUID01a0ae73-5e22-72ef-bfd7-1fbe95774dda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029557
StatusPUBLIC

Content hashes

Canonical text7d7b7201ad7891bc2d5121fd8e91648ba4a205bfca0ab171afe4d746e2989380
Markdown340852265da5d2da18d3bedabf61db0a1b676f37f2a0eb86fa77679b3e1f41d8
PDF
Publication page383b4a3edcc2369c95793ce5ea39782695d6848afcd89816069c0cbb8a30e499
Manifestbf5b308e659c26cc41fbc48f82f8498f651ee51127dc8f2b31edeed8f8599fa1

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
Signature4zWzCVcgdhbKZzQGXjRFpH473cCXD2POKoVnozEGMEWsro8ioyDzsqwpN3jk4+9LFTl0DRPBU2bGZeWWMXPLBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:39:14.800566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029557
observed 383b4a3edcc2369c95793ce5ea397826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:14.782707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029557/manifest.json
observed bf5b308e659c26cc41fbc48f82f8498f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:14.762635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029557/publication.md
observed 340852265da5d2da18d3bedabf61db0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:14.744244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029557/publication.txt
observed 7d7b7201ad7891bc2d5121fd8e91648b...
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.