OpenTechnical

OT-2026-000026986

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000026986) never changes.

Identity and time

Publication numberOT-2026-000026986 · never reused
Internal UUID01a0ae72-3453-7a80-be0a-b066cc9e3146 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026986
StatusPUBLIC

Content hashes

Canonical text8b97db5a134c68da1ebea1b8f61be4d558e0b636fd5f9e8e68edd31e41793df2
Markdowndb67d9bc90c392276dec7a867b9c7e245837715665d028aa75d70a9376d17e6f
PDF
Publication pagef9a98ba447c254c144d334d4f53ac02ca10367564e1213f6e149aa55321837f0
Manifest9952b6ad77ae12acc1144f74220f97805d172f22b2d581a497835c320c37a8fd

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
SignaturetIOLwqkoO53vLZjbsFvjyLNLoFEBsFT79uC325ggUYFviU73VeGUnG300QgtOmGVHamNPYncBXz+EW43ihE9BA==
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

2026-09-17T11:43:36.798655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026986
observed f9a98ba447c254c144d334d4f53ac02c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:36.782402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026986/manifest.json
observed 9952b6ad77ae12acc1144f74220f9780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:36.764876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026986/publication.md
observed db67d9bc90c392276dec7a867b9c7e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:36.747921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026986/publication.txt
observed 8b97db5a134c68da1ebea1b8f61be4d5...
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.