OpenTechnical

OT-2026-000078061

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000078061) never changes.

Identity and time

Publication numberOT-2026-000078061 · never reused
Internal UUID01a0ae95-6e8c-73b3-b601-0a96701da92e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078061
StatusPUBLIC

Content hashes

Canonical text69140dec17f7d0224ea84e2fc042c6dc450b5217d0bc5d2ed0acf3650bb9a0cf
Markdown22463a3954b9613e4aae13e52af2f9cc2cd5ff6a9c51bf92377ad8c32f696457
PDF
Publication page7ec06caa48b9b98a31f117f74e16e336578eda077aa8bb10bd3b78f670444d3b
Manifesta67b0fb4a56dd02f64940caa7980d82f308c49b936206d8b0bd5d43fb5d371b4

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
Signature4QYgOMUjJEhCjcm3beMnDqlDeCRJHgFSlkTqPola6LXnCDFYbLITfCKHRSSrxRQMIAiK+1vcyTzRAqx9BG9xCg==
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

2026-09-17T10:06:45.939434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078061
observed 7ec06caa48b9b98a31f117f74e16e336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.920785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078061/manifest.json
observed a67b0fb4a56dd02f64940caa7980d82f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.900301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078061/publication.md
observed 22463a3954b9613e4aae13e52af2f9cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.882075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078061/publication.txt
observed 69140dec17f7d0224ea84e2fc042c6dc...
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.