OpenTechnical

OT-2026-000101448

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000101448) never changes.

Identity and time

Publication numberOT-2026-000101448 · never reused
Internal UUID01a0aea4-0e14-7460-96cb-4fb18a159d22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101448
StatusPUBLIC

Content hashes

Canonical text652f3d307d2cfea81d7bf487f32c493b5d754ec8b7554b758f76c5d25656e7f1
Markdown5d499fc152a2be21702eb45038446164c1d8238a6b4aa6fe7206f48f10bdbed9
PDF
Publication pageab60db25e61abe3c033b106aab83da62638fab876973f3c81ce368f8c8e3e5fe
Manifest76e1b29c9b9280c4cf7b157ab66033f831f7122a9bb0f3ccdff71c6c82383ec3

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
SignaturejjV492ENA/grqN1rs4BsD7BYca/BU59PP/fOW4VGPqpNrfIczFQOfS3UYtGVr2HWZwpKzEItRLQQZW+Fjl7wAw==
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

2026-09-17T09:26:00.910628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101448
observed ab60db25e61abe3c033b106aab83da62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:00.863677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101448/manifest.json
observed 76e1b29c9b9280c4cf7b157ab66033f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:00.844157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101448/publication.md
observed 5d499fc152a2be21702eb45038446164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:00.796099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101448/publication.txt
observed 652f3d307d2cfea81d7bf487f32c493b...
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.