OpenTechnical

OT-2026-000029749

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000029749) never changes.

Identity and time

Publication numberOT-2026-000029749 · never reused
Internal UUID01a0ae73-5e24-776d-96fe-6475e05c7640 · 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-2026-000029749
StatusPUBLIC

Content hashes

Canonical text594f0d69e5ee178e8a54c52973896c9a0b86b60e4b4416927c3f9c4c54e90757
Markdownb864503f01693892fd5bef027ab457636a92ed598be31bdddd1c023c20fe4e45
PDF
Publication page20f1cca184c8166307baca4cef7957747321f9ab0372fc1317295e00d31addc6
Manifest5c314eea897bbdc71706478f08b768e56e893c451fd9219b7792369d27775b22

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
Signature4owjveS34mnW2V0KdqLS665Y6e2VJmSX1hT5xX1qM0Gouc29Nly/llg6k0K4u+BFyBtZaV2Pfkci/YFd4mCVDw==
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

2026-09-17T11:39:30.493621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029749
observed 20f1cca184c8166307baca4cef795774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:30.473872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029749/manifest.json
observed 5c314eea897bbdc71706478f08b768e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:30.454585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029749/publication.md
observed b864503f01693892fd5bef027ab45763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:30.434815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029749/publication.txt
observed 594f0d69e5ee178e8a54c52973896c9a...
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.