OpenTechnical

OT-2026-000073577

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two 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-2026-000073577) never changes.

Identity and time

Publication numberOT-2026-000073577 · never reused
Internal UUID01a0ae92-efb9-7477-ac1a-10bae416b561 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073577
StatusPUBLIC

Content hashes

Canonical text8d9f50693dda7a95810570b1f018b0f9c6c6e0055ca7c985f76aaa75d3cfeafe
Markdown413e8808b802ace5e0747c6d44fd9e92e7296c8dbe4c82022f1699b719340908
PDF
Publication page08dc14b59ccc9df20c3108dc3860c1ca413526d4e0ed48c06b1bbd55f29fe0af
Manifest005d687397a3ec9ac234a2bc75c911bf4da6a5994465de38f5e0e069ddb71b85

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
SignatureqVTm4eSpwoyDmUa4dHLSNpoPbhD+hU9Tp+2zNABkLnGQks28/pkl3odj/+LHtYABbb4y81CJiIXfwvRpoImFCA==
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

2026-09-17T10:21:45.231683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073577
observed 08dc14b59ccc9df20c3108dc3860c1ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.211800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073577/manifest.json
observed 005d687397a3ec9ac234a2bc75c911bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.193324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073577/publication.md
observed 413e8808b802ace5e0747c6d44fd9e92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.173633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073577/publication.txt
observed 8d9f50693dda7a95810570b1f018b0f9...
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.