OpenTechnical

OT-2026-000006583

Publication integrity record

Vacuum cup gripper, four zone face, four outlet manifold, ejector fed, vented after 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-2026-000006583) never changes.

Identity and time

Publication numberOT-2026-000006583 · never reused
Internal UUID01a0a960-5879-7b1c-9a09-9d24d4560870 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:40:58.748770Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006583
StatusPUBLIC

Content hashes

Canonical textb4856086037ed8ef1acd4b751543f8b025d663f87ccef612579d416078eebd41
Markdownd71fe8088d539d1a04fa103bd6c655a66cb270e196b1cf655c68e9729303fcf9
PDF
Publication page4ee02add13eed93ab5af72b443d91d3097334201ad59c31d19b417bdc967a545
Manifestd48caaaad7659b6fc7b168a9f18110b6e4681e5e808da8ccc807672f7a30ae9c

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
Signatureooxx6EhAlpvFfA5yqNaUCNNHBhiTTY5TkDqs07FnmKhUsLs8OTvrfOBEzBVGzLiERt8HWPh0n7qRIH1CFHV2Cw==
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

2026-09-16T08:44:23.402004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006583
observed 4ee02add13eed93ab5af72b443d91d30...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:44:22.933488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006583/manifest.json
observed d48caaaad7659b6fc7b168a9f18110b6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:44:22.670626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006583/publication.md
observed d71fe8088d539d1a04fa103bd6c655a6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:44:22.402039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006583/publication.txt
observed b4856086037ed8ef1acd4b751543f8b0...
fetched by grabo-systems from 34.44.131.203, 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.