OpenTechnical

OT-2026-000069705

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000069705) never changes.

Identity and time

Publication numberOT-2026-000069705 · never reused
Internal UUID01a0ae90-b52c-7395-a74f-4ad25e8765e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069705
StatusPUBLIC

Content hashes

Canonical text48e09827f7b12f4551ec88fe171a1395dd41d6ba1feee6bf2a331046c43291cc
Markdown1df98054f0f6b368965f3b26a9c7d56ec1a5c48c714911569cb74ead06dd9804
PDF
Publication page35f2fac79d040f0a771b50b58cc5431b51579d6272946f01b9ab3e03d1486fac
Manifest8d5f4b53e6e1892e6b015edb5f68de873d6556821f5647eb517698f32c3323b6

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
Signaturehy+donEicAj5UdC/mkoGLeqR4XdqcoEA6YAf3GWbyycQJr0TTxJVXrfykp//gmbWv7M1g0mn3QKb/YW5Z34XCg==
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

2026-09-17T10:28:28.377921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069705
observed 35f2fac79d040f0a771b50b58cc5431b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.359627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069705/manifest.json
observed 8d5f4b53e6e1892e6b015edb5f68de87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.339979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069705/publication.md
observed 1df98054f0f6b368965f3b26a9c7d56e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.319764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069705/publication.txt
observed 48e09827f7b12f4551ec88fe171a1395...
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.