OpenTechnical

OT-2026-000101157

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000101157) never changes.

Identity and time

Publication numberOT-2026-000101157 · never reused
Internal UUID01a0aea3-c378-7cc5-9838-625f5af6a394 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101157
StatusPUBLIC

Content hashes

Canonical text57163027f3d7cf66184301e5be3e1b9e4b37a9543d18b0fa67ea03a2af9b8a09
Markdownf8eee6fd9740ca8280174e3de7f0f1a8dbd9bbdd62be1ca6572027a83c5bba3e
PDF
Publication page55d5986d50d68eb17cf2d30473c29c61078ecfcffee1c175d2924aec1355d7f9
Manifestb98abef2f1d13da7dc918cf257a501d92ae815a0a5ac07335fcb43f50aa55619

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
SignatureRM0Uj6kGZwJ+Z/2+NSDeSrs6aIiipsu2iBBWHKAqWgbiYKZLtbWek2j3XIHN893yTNTzhLfvaNWM6+tMvbsCAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:47.663037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101157
observed 55d5986d50d68eb17cf2d30473c29c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:47.642306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101157/manifest.json
observed b98abef2f1d13da7dc918cf257a501d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:47.623336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101157/publication.md
observed f8eee6fd9740ca8280174e3de7f0f1a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:47.605115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101157/publication.txt
observed 57163027f3d7cf66184301e5be3e1b9e...
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.