OpenTechnical

OT-2026-000076093

Publication integrity record

Four cup vacuum gripper, four zone face, two 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-2026-000076093) never changes.

Identity and time

Publication numberOT-2026-000076093 · never reused
Internal UUID01a0ae94-6a6e-76f4-8253-9e255ccc4039 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076093
StatusPUBLIC

Content hashes

Canonical textfa69fa07360b32b236dae74d36ef19210d207771bca0f58c220b257ef74db707
Markdown2dc70ea259d1f135a417afcdc7683a9714de52d929f9a1ed851e3b0ae4047594
PDF
Publication page22185ff45b14e9558e6f56aaf88331e5a47c5e097d8073c2728a66919883da6b
Manifest5135e692813830eda80b6749509f9840f6523735e3a6e48f2d339c10f88b6f3e

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
Signature4GcpCNMb+xpdm+rpz8/XyIwfTI+b7t7dqbj/1yIp3dalfZ+7qwzgT+5QSl3N7IuCmBpF+cO+YL3LJqkMAaxvBQ==
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

2026-09-17T10:10:57.246958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076093
observed 22185ff45b14e9558e6f56aaf88331e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:57.225376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076093/manifest.json
observed 5135e692813830eda80b6749509f9840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:57.206554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076093/publication.md
observed 2dc70ea259d1f135a417afcdc7683a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:56.479643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076093/publication.txt
observed fa69fa07360b32b236dae74d36ef1921...
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.