OpenTechnical

OT-2026-000030436

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, sustained blow-off 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-2026-000030436) never changes.

Identity and time

Publication numberOT-2026-000030436 · never reused
Internal UUID01a0ae73-e503-7d93-bb4a-6f646336fb32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030436
StatusPUBLIC

Content hashes

Canonical textb6bd03ae1cc3a1406c51a8bb9632b15ccb0c3a444317ab8736c5dcc0c3feeb15
Markdowne3579f0c8a7670bef3c7257f39efeff510f84f0059a2a7f9c3ef24e3ee5f2b37
PDF
Publication page62be4d9daad9887e2703689fb7ea4b45fce23330d24f9d9b8ccecd5beaac7912
Manifestae1e3f70fdba8eb61a22707c53e4fc79014796cdcc8bf3e7eddf5ef6e9959d44

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
SignatureVz8I7u6NEfcemYCWix77bqgs7JylyKupegD2Bm3/4+idNQcOOicK+TRUebe2U1FlisQCe7HIFRZGTVaQBIqcBw==
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

2026-09-17T11:38:10.561595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030436
observed 62be4d9daad9887e2703689fb7ea4b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.539061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030436/manifest.json
observed ae1e3f70fdba8eb61a22707c53e4fc79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.520115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030436/publication.md
observed e3579f0c8a7670bef3c7257f39efeff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.491922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030436/publication.txt
observed b6bd03ae1cc3a1406c51a8bb9632b15c...
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.