OpenTechnical

OT-2026-000074233

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold 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-2026-000074233) never changes.

Identity and time

Publication numberOT-2026-000074233 · never reused
Internal UUID01a0ae93-7178-7249-9bc0-996120fe6947 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074233
StatusPUBLIC

Content hashes

Canonical text86ea0feb28fac20ea4cd91308d80f73259de787a4a1afd01499eb7acc2e9d5f7
Markdown9658c341d69124acb289cd8d7866bd1580672c7bb001e6590fa6caf8d0cd0c09
PDF
Publication page15e5741f1d557b6dd3d4f67f42b8169ded7538aa7ace3bcf85e410858fc78527
Manifest2a1af9c6122bcbe7863076034f4fdec1459684a092b143b52393fe5dcd3aef0e

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
Signature+WG8XscVHdXgr2oNtLC3w9nxJ7vxj2UrDn+UeYw70H9l355kfrVlfUUgnLC/PeitzsPfcGX5HFrA97V/AymMDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:06.086059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074233
observed 15e5741f1d557b6dd3d4f67f42b8169d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:06.068322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074233/manifest.json
observed 2a1af9c6122bcbe7863076034f4fdec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:06.049299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074233/publication.md
observed 9658c341d69124acb289cd8d7866bd15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:06.030312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074233/publication.txt
observed 86ea0feb28fac20ea4cd91308d80f732...
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.