OpenTechnical

OT-2026-000030483

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pulsed 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-2026-000030483) never changes.

Identity and time

Publication numberOT-2026-000030483 · never reused
Internal UUID01a0ae73-e504-701b-a748-6943ebb13267 · 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-2026-000030483
StatusPUBLIC

Content hashes

Canonical texta060629215721649a36957a08f92bb47d6f3b76a6e72a812bdb7ce7c72a940cc
Markdown8d10da654dcf4560671f408527b8bfe8625a08738e5d24d500241dc35e75bc48
PDF
Publication pagec2ea92d8c6afbbef07fdcb7fd31e8ff75c54e0c30852370d0a60ced2def8fd9a
Manifestb7a5b3c1969d52df87ad731e88bcedc9f6ecdf51d91b3d107fa9c2902dac0c39

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
SignatureC6YyNMRw1gkvsQZ/AcUtRh/D8/vEcsVNvu7QRQbEhNqRVaa9Ztu4Pu2kKEIkpW14/4q4fG7rV5C19rr1iNW1DA==
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

2026-09-17T11:38:19.966579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030483
observed c2ea92d8c6afbbef07fdcb7fd31e8ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.948400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030483/manifest.json
observed b7a5b3c1969d52df87ad731e88bcedc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.927102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030483/publication.md
observed 8d10da654dcf4560671f408527b8bfe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.908216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030483/publication.txt
observed a060629215721649a36957a08f92bb47...
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.