OpenTechnical

OT-2026-000050445

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, vented 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-2026-000050445) never changes.

Identity and time

Publication numberOT-2026-000050445 · never reused
Internal UUID01a0ae82-5c48-7c93-8231-73c98c0cadc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050445
StatusPUBLIC

Content hashes

Canonical textd9a697e2a1c353c0538ef9d4be395dc5bbdcc32dee769610b45e3de08afd1691
Markdownee27081f8864f1c35ec3b53937646002747700c7755113501334906949bd546d
PDF
Publication page5da9ed40ee13344318c4c0314adf39f47e6bca69abb61502a075489726e7aec5
Manifest291ba6db3dec1d32e5ed69b4ebe1d567d772105f8cdbcb6d5c57008482fbb941

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
SignatureHWJJahFFFvE7D0L4/1Wdyw960VsHGNFL7HmoDSD41wZL34w/y3iNO163yBmLi4mAkoTZLWTKPT9v9e3yW1LkCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:29.622395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050445
observed 5da9ed40ee13344318c4c0314adf39f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.605602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050445/manifest.json
observed 291ba6db3dec1d32e5ed69b4ebe1d567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.589887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050445/publication.md
observed ee27081f8864f1c35ec3b53937646002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.571951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050445/publication.txt
observed d9a697e2a1c353c0538ef9d4be395dc5...
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.