OpenTechnical

OT-2026-000029470

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000029470) never changes.

Identity and time

Publication numberOT-2026-000029470 · never reused
Internal UUID01a0ae73-5e21-77ba-bde2-73ad6e626839 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029470
StatusPUBLIC

Content hashes

Canonical texta89bef7d33cf7b8c394bb6ceb96dd8da6864d9d64cfa3cd7860be5bde9d17467
Markdowncec7c3a33af96f20cc5cefc3661cab06d147a09c561e4693fd4b992663ed152d
PDF
Publication page5f18267faa98c2c2a8c80ad374b6a5689ccff3241b4c08655f8c29e37f6e5a79
Manifeste780d687dfc4d4b2ecdbaaa452bc62c71aa06b4f801a3aa316d81070a5e57eeb

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
Signaturem/BPssC5TnWmbf20Q4gy1eFKcr56Cb23SzbqMCPEFZMnlbSp2Vb1QcNEx2O5Oaumu00njidtMPh0Ok2edm+FAw==
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

2026-09-17T11:39:05.657369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029470
observed 5f18267faa98c2c2a8c80ad374b6a568...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.641721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029470/manifest.json
observed e780d687dfc4d4b2ecdbaaa452bc62c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.625853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029470/publication.md
observed cec7c3a33af96f20cc5cefc3661cab06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:05.608496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029470/publication.txt
observed a89bef7d33cf7b8c394bb6ceb96dd8da...
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.