OpenTechnical

OT-2026-000070325

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, supply line 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-2026-000070325) never changes.

Identity and time

Publication numberOT-2026-000070325 · never reused
Internal UUID01a0ae91-545e-7c9a-8423-a3bdbc0fd389 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070325
StatusPUBLIC

Content hashes

Canonical textad311d1b848e15e7ab3659dc3bccce9ba34b4eb92e98a8a2050cb2f9e4ee2198
Markdownc1da9b5ed6624e4706dd551b1929aff81c650d6b19857e9f990ad21a22916cfe
PDF
Publication page06d8c9c5e4b8a954097a77c568bab50109ea0ac6373c09517e571c7be48b9faa
Manifest71ebc613dc9bd1c8f34b5f9a9d0a8e8a17da53fc5d1bb10685e5ba8040339974

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
SignaturekJM+nZUyEXo8x9U9l9uau9LZKhan9EdEiukF2kl/J0IwNMcr/SxGMHqhqDRblxSwDir3aC1VJ9RFCv+277LfDQ==
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

2026-09-17T10:26:06.968571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070325
observed 06d8c9c5e4b8a954097a77c568bab501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.951450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070325/manifest.json
observed 71ebc613dc9bd1c8f34b5f9a9d0a8e8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.935035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070325/publication.md
observed c1da9b5ed6624e4706dd551b1929aff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:06.917663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070325/publication.txt
observed ad311d1b848e15e7ab3659dc3bccce9b...
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.