OpenTechnical

OT-2026-000006035

Publication integrity record

Vacuum cup gripper, four zone face, three stage ejector, pulsed 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-2026-000006035) never changes.

Identity and time

Publication numberOT-2026-000006035 · never reused
Internal UUID01a0a94c-fc61-78e2-a391-5c30ef791de1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:19:49.989073Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006035
StatusPUBLIC

Content hashes

Canonical textd55503f834f8c4b64c73a98ff20ec844c99caed2a16f2564ced133e100d03ca1
Markdown8d1246edb498f64be4c22739264f80e5f674f1ca8fc9249c790bbcbf2c3ab0d8
PDF
Publication page3d054c908959315b46ac5712616d21f44d1aae214a0a14a266dd60677b84835e
Manifest69fbc04e60ee98dba249dbe409d7deffaab9e845a11e0d309182999475012998

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
SignatureQ86ZLiNCkBCdBSeOtY7V48ffd76VzX9yGxo88pA32YyVLPYl7tRaY7whPwb6/VCL9xy7O0KEvHcI5capGSJ8Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:02.978503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006035
observed 3d054c908959315b46ac5712616d21f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:02.963829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006035/manifest.json
observed 69fbc04e60ee98dba249dbe409d7deff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:02.945208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006035/publication.md
observed 8d1246edb498f64be4c22739264f80e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:02.930886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006035/publication.txt
observed d55503f834f8c4b64c73a98ff20ec844...
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.