OpenTechnical

OT-2026-000070033

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, 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-2026-000070033) never changes.

Identity and time

Publication numberOT-2026-000070033 · never reused
Internal UUID01a0ae91-1861-73a5-85bd-c04f9d3e424e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070033
StatusPUBLIC

Content hashes

Canonical text8f758e59a9d4b1161bb8a24f3699cce34ca727ba8d5d4e26c105311f475d8f6e
Markdown946925e60bc9c867bfb98f5756dfcab1402d08738f1297b7ced74cd83f6c864b
PDF
Publication page13996be7ed52c5651758055b157310772a724b301357595df5b889048f217b84
Manifestf325ff120cc44d49f80a521f06ef98c45302dba93c94af4beb8e6a3b6de2ead0

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
Signature8RWSuFbLRVUSugkmAfas3AXoVDXC13e3TrJcf6BkcgfYiIgCpED7Z3vxHBm7gf79+ASF0pEZ6/O5KH91WU5JAw==
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

2026-09-17T10:26:59.224980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070033
observed 13996be7ed52c5651758055b15731077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:59.207961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070033/manifest.json
observed f325ff120cc44d49f80a521f06ef98c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:59.189013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070033/publication.md
observed 946925e60bc9c867bfb98f5756dfcab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:59.171193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070033/publication.txt
observed 8f758e59a9d4b1161bb8a24f3699cce3...
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.