OpenTechnical

OT-2026-000010142

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000010142) never changes.

Identity and time

Publication numberOT-2026-000010142 · never reused
Internal UUID01a0ae6b-cb7a-75cb-b669-2e320d137495 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010142
StatusPUBLIC

Content hashes

Canonical text241e697d40cdec0da7f4071043aac861c3f54fff77e122a031afc960d6ca7221
Markdown2a0827612a929c174255917a9b15f5a097143f43349f53fd5ecfb56016149cfb
PDF
Publication page926509e43efde24bac239de1c86f117efd89239cb7835c76b99203b110ace072
Manifestb566e558ec4bcafd6029fa1ece299534f8b11c7f4483aba0fdafcf267c688e3e

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
SignatureYOBO1je3G4ZL20yHC93LpnrOFV7xN1VNNYU7TAmoLjSmSG0yzO26PIRY2D+mstQ8ckcE7rQvEk+vDG44VWKaAQ==
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

2026-09-17T12:16:14.623010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010142
observed 926509e43efde24bac239de1c86f117e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:14.604037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010142/manifest.json
observed b566e558ec4bcafd6029fa1ece299534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:14.585259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010142/publication.md
observed 2a0827612a929c174255917a9b15f5a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:14.565031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010142/publication.txt
observed 241e697d40cdec0da7f4071043aac861...
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.