OpenTechnical

OT-2026-000018682

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000018682) never changes.

Identity and time

Publication numberOT-2026-000018682 · never reused
Internal UUID01a0ae6e-d520-73d0-8ba0-10e88bd5d88d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018682
StatusPUBLIC

Content hashes

Canonical textd39f0bf6e7793d97071ea5ed3fa8581028598a4c018eda18f86fad8bfbb9f496
Markdownae9c2f854025002242b6f23cb72b23e9d1278cc9cb8625198c12d9a195156d0c
PDF
Publication page29b0a2adba93440f359777f1cee2b0752e3ce6c4478b223000741b1bea04fdd7
Manifest3e972d60e2b9ad7cef7dfe597fe413548c996d55f1bb31f557e5c3cf3fb524f7

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
SignaturetvAjKarCoqL4v2kEcisKgWBe25j9zTmdw+SioZnvg3YtZM1QZe7LfSjercVPDK6V3ycPYXB3j9W3fb6R9uwvBA==
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

2026-09-17T11:59:16.741712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018682
observed 29b0a2adba93440f359777f1cee2b075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:16.724018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018682/manifest.json
observed 3e972d60e2b9ad7cef7dfe597fe41354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:16.706389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018682/publication.md
observed ae9c2f854025002242b6f23cb72b23e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:16.688718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018682/publication.txt
observed d39f0bf6e7793d97071ea5ed3fa85810...
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.