OpenTechnical

OT-2026-000034111

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000034111) never changes.

Identity and time

Publication numberOT-2026-000034111 · never reused
Internal UUID01a0ae75-df0c-7ba6-b9bb-d9df9e763b75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034111
StatusPUBLIC

Content hashes

Canonical text2b99ff1bd4a0315fa7a9e61d1eea8dc8c178c2fd818ddbbb27eb28ec236759f7
Markdowne4d7442f2d108ffa8f495c3d813b4950dcc513fbb50c9f4de4f715f1447f8dbd
PDF
Publication page3922f87ebe61f88fc59fb66b5120fe3739653b2c13416d9e66ba6b9fc53d0712
Manifest77859f966657540078a0885e22a53ac38bd11407238ba94d51160b3d924a154a

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
SignatureZHiLZLRz3yMuu7qK/h4DVitz8J54r6N795T3lQYgCoJPXHiRBZ2aJrZe+i8+BlucFgl9yS7OEheagq67ktGnAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:29.792650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034111
observed 3922f87ebe61f88fc59fb66b5120fe37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.773987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034111/manifest.json
observed 77859f966657540078a0885e22a53ac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.756884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034111/publication.md
observed e4d7442f2d108ffa8f495c3d813b4950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.735348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034111/publication.txt
observed 2b99ff1bd4a0315fa7a9e61d1eea8dc8...
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.