OpenTechnical

OT-2026-000094971

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000094971) never changes.

Identity and time

Publication numberOT-2026-000094971 · never reused
Internal UUID01a0ae9f-2df0-76f3-9980-e3b95a72e078 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094971
StatusPUBLIC

Content hashes

Canonical text6d11a9960a39e666c8df231c0f117eae349cb2ac587cb2cce402b814aa758850
Markdown5e6707609e997ec9d9282ef7b2a045505626cbc47515b2d9c671ff62bfa6883e
PDF
Publication page6302603824ff64035c91f1fd5e1a79665ebfaa46e18f9e8aa43b42187de06e37
Manifest3fdcc5f48933a2531ce8e3dbc7eaf8efd04ce91248c9eff71ee843612c4e9e9c

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
SignaturecrW7gR1uwD3iwzldxrZzqMcEGStTLMUBueLgdw4BOehGpMJgZpo4wvE1TWOfNDmMP5VOqvy848jJAvAu/9/IAA==
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

2026-09-17T09:37:28.468044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094971
observed 6302603824ff64035c91f1fd5e1a7966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:28.449255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094971/manifest.json
observed 3fdcc5f48933a2531ce8e3dbc7eaf8ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:28.427847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094971/publication.md
observed 5e6707609e997ec9d9282ef7b2a04550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:28.410368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094971/publication.txt
observed 6d11a9960a39e666c8df231c0f117eae...
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.