OpenTechnical

OT-2026-000023172

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000023172) never changes.

Identity and time

Publication numberOT-2026-000023172 · never reused
Internal UUID01a0ae70-7267-717d-bada-86eb66685bff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023172
StatusPUBLIC

Content hashes

Canonical texte7643f975a7b8ae38d5d71ee36a6a46354f45360f1c873e365b2b3c254c8fca1
Markdown93b6dc175e1b14b8ac1d33b45869ad108ee633b9564fba9c7fbaa025b59fb766
PDF
Publication pagef3351999e968282e15b45ea421ef67d3f6ab6da5c8eb55bd17ad7b265a4e9457
Manifest5cd46169c8371827ec38d32e3a2eb8c2064deef16248e5c8b790d6ea18df898c

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
SignatureiYyc/2RvXv/iW9HbK5WWPBT2pJsjfrQKI0YO8LDU0EEVFZ4z1/C84gU1pnDAM5E+M3pKPUt+PQBmLKabK6ABAg==
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

2026-09-17T11:51:07.010900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023172
observed f3351999e968282e15b45ea421ef67d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:06.988253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023172/manifest.json
observed 5cd46169c8371827ec38d32e3a2eb8c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:06.971083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023172/publication.md
observed 93b6dc175e1b14b8ac1d33b45869ad10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:06.952327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023172/publication.txt
observed e7643f975a7b8ae38d5d71ee36a6a463...
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.