OpenTechnical

OT-2026-000040403

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000040403) never changes.

Identity and time

Publication numberOT-2026-000040403 · never reused
Internal UUID01a0ae79-2701-7faf-83bc-5f1a1f002db2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040403
StatusPUBLIC

Content hashes

Canonical text742a4b9f620681eaad242064f47e3ba0f1e5cf066486c1a38b91ebd8a0ea37d9
Markdown72c3c26abdf67b7dcf3436eed423d74f67ad86a74433f257c2c6c5d25e7088af
PDF
Publication pagefa827797b4760276aba81e1105bff7dbe740e04ccf301e419a36287b85d97afa
Manifest640aea64d73b678d7e8bc773ef31334d87397a367c5a75482f6b8a1d16a62468

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
SignaturePBdIeBQ2oatux/nqKAyJbQ47xNco0Oo2/cDQFfHnFczGIro3nymhlua/MWMrUNSM759Xh76TGaTIxd2rsau4Bw==
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

2026-09-17T11:19:25.764915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040403
observed fa827797b4760276aba81e1105bff7db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:25.746609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040403/manifest.json
observed 640aea64d73b678d7e8bc773ef31334d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:25.718147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040403/publication.md
observed 72c3c26abdf67b7dcf3436eed423d74f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:25.689213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040403/publication.txt
observed 742a4b9f620681eaad242064f47e3ba0...
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.