OpenTechnical

OT-2026-000045304

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000045304) never changes.

Identity and time

Publication numberOT-2026-000045304 · never reused
Internal UUID01a0ae7c-f76b-77e9-9137-45c106cfc659 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045304
StatusPUBLIC

Content hashes

Canonical text0496a9010f584f713ca7aea39a80ba92662dc643d26407024d5176dfdfe0d925
Markdownaefd91593462911b9c95cd01113acac2e6cfa96600ca415b9c48c041765cb91c
PDF
Publication pageedc0f136999d6ba97e7a2a8943f6d2a011779563095485a4b2d4a699232478d7
Manifest97a0fb767eb02f5d92bdff45ba320563760806531c0e867ac06f6181e9a8f24f

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
SignatureKWCyQAdMA/gexIqmnQePDU6ZHfp/ouoQgK97ZMnoPlqm2KHoA5Vv5FBarG/+bAxaYOHwIPNQ8By5Bxf+VSGuCg==
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

2026-09-17T11:10:32.992436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045304
observed edc0f136999d6ba97e7a2a8943f6d2a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:32.972569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045304/manifest.json
observed 97a0fb767eb02f5d92bdff45ba320563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:32.952999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045304/publication.md
observed aefd91593462911b9c95cd01113acac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:32.934636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045304/publication.txt
observed 0496a9010f584f713ca7aea39a80ba92...
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.