OpenTechnical

OT-2026-000063303

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six 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-2026-000063303) never changes.

Identity and time

Publication numberOT-2026-000063303 · never reused
Internal UUID01a0ae8c-94ac-7df2-88fa-838dfb0eae71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063303
StatusPUBLIC

Content hashes

Canonical text4ab58a0049c954c2aa3426a116d7a1c24dc6a0caf5a91f5fb3735b1ef1a1914d
Markdown990c07d5c46e63ea54d40828580873254c9caf14ebb1231479db74397fefb794
PDF
Publication page710557681a73116098ebbf8e1aff6cd47fce3ba75292f581488deb6455ff8f03
Manifest43f32be013b39fcb6bc9299d5288631baa0f169c30ab59ae6ea41978c7f344d3

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
SignatureQH0PxJrODEoT4up19KDDujqnXlkXfJPYfPk41P/AD9Tn94Vd6iVjmYnOWk2U1eozvSssWh64jzjDLcctgjSpAg==
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

2026-09-17T10:39:12.058118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063303
observed 710557681a73116098ebbf8e1aff6cd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:12.039922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063303/manifest.json
observed 43f32be013b39fcb6bc9299d5288631b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:12.021529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063303/publication.md
observed 990c07d5c46e63ea54d4082858087325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:12.002422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063303/publication.txt
observed 4ab58a0049c954c2aa3426a116d7a1c2...
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.