OpenTechnical

OT-2026-000093271

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000093271) never changes.

Identity and time

Publication numberOT-2026-000093271 · never reused
Internal UUID01a0ae9e-0911-703b-b7dc-a2d8db56e57a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093271
StatusPUBLIC

Content hashes

Canonical text04ce7e009f83abb75ad9d675b97efa4daceb8244366a78f201eade489aa2abca
Markdown1b3006b89baf3524fea04243d21fdce407ea3f4835fbb596699804b91962287e
PDF
Publication page5fde4b4a1055dc3eafb3a3f04666586ebbaa76e4e647a8a3cf8d89bc293d19a3
Manifest270f32a68fc183cbc67fd8be4a2b52caa3e1f6d99dbe10b21909301519988743

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
SignatureO4RcRT9ajg84ypo42YeugzUTwiBCXsfbRaGUFJ8j/r2ncrACKHmNRaw1pDFaEIy5BuxD3Kk7pjXb1fxifC8HDw==
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

2026-09-17T09:40:38.373106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093271
observed 5fde4b4a1055dc3eafb3a3f04666586e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:38.352475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093271/manifest.json
observed 270f32a68fc183cbc67fd8be4a2b52ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:38.332663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093271/publication.md
observed 1b3006b89baf3524fea04243d21fdce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:38.311539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093271/publication.txt
observed 04ce7e009f83abb75ad9d675b97efa4d...
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.