OpenTechnical

OT-2026-000100190

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000100190) never changes.

Identity and time

Publication numberOT-2026-000100190 · never reused
Internal UUID01a0aea3-3052-75b3-b1e3-5d52fd36d4ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100190
StatusPUBLIC

Content hashes

Canonical text697117342630d059b0324f856d6e5f9bc7bb0e0f0b887903088073953910d37e
Markdown1e164c4b1930b65adc8c2bd8d2a89b4f2dd8f0e4364d56ff8b1231eaff145152
PDF
Publication page1fd548d2d3ad1e7efd918c5f532a29c841e8b54366328dd049a18937dd50f7c2
Manifest3927f2991068d46008d8217fa944db9bb081151b3c50648c7eef30100df98530

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
SignaturesoSlNYPq1EliWUgZggmf66z/NPs61CXjLVkV8HOR4OCJu/75/952Wy5ShJUnapubM7B+DADgYl+7ZsVgcMxBCw==
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

2026-09-17T09:27:54.509634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100190
observed 1fd548d2d3ad1e7efd918c5f532a29c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:54.492021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100190/manifest.json
observed 3927f2991068d46008d8217fa944db9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:54.476188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100190/publication.md
observed 1e164c4b1930b65adc8c2bd8d2a89b4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:54.457882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100190/publication.txt
observed 697117342630d059b0324f856d6e5f9b...
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.