OpenTechnical

OT-2026-000006712

Publication integrity record

Vacuum cup gripper, per zone isolation, ejector fed, contact triggered on the face, rubber cups

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-2026-000006712) never changes.

Identity and time

Publication numberOT-2026-000006712 · never reused
Internal UUID01a0a964-cff4-7a0d-baa7-7e2bd03049bb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:45:51.479231Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006712
StatusPUBLIC

Content hashes

Canonical text49736ddfa5e26c64b256d97dd83a58bd4644eae50a208ecace78b65aa372e84d
Markdowne47dc6b8fc6e97fe402e1fe771a85b0303924831634b8e2edd192bd080c586c3
PDF
Publication pagebb34c3628f3218f8551272b6bb3ed7123fdf169cad0159f07cccb0e4614ead17
Manifestf125a196b69333fda8bcd6f08b16e417bfb52b93b8712944f479cc6b614726bc

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
Signatureph7uq1/HkGs99pw45Ytlz1DJ7Vk/emSMtTfEXR3eUbn5Z/jv5tiht0kqYs419aWElOLrk1xPTQXnXPSLdp+QCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:14.495948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006712
observed bb34c3628f3218f8551272b6bb3ed712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:14.483041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006712/manifest.json
observed f125a196b69333fda8bcd6f08b16e417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:14.469632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006712/publication.md
observed e47dc6b8fc6e97fe402e1fe771a85b03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:14.454118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006712/publication.txt
observed 49736ddfa5e26c64b256d97dd83a58bd...
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.