OpenTechnical

OT-2026-000084478

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000084478) never changes.

Identity and time

Publication numberOT-2026-000084478 · never reused
Internal UUID01a0ae98-5b63-7ef0-937c-9951da6aef04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084478
StatusPUBLIC

Content hashes

Canonical texta4b54f2e13e14d55aa1f66b2743788ee6ed61ea9349c36784d7d7bd41c23c6bd
Markdown6c605bba5b216b8ee2f114c5c5993aa9c99ef9df4ab9e302eaafb451aeaf923a
PDF
Publication pagebe32c830cd03cadf1d3aae5f31c98aa483352770aad0554b4a8ddd526184cba1
Manifestc45c3dfc4b547301126b7383e74574eb210496dfba53a8b3325c96507c0bf840

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
Signaturexh4o3a/duOzBuL4mpo8hwJJPMk5RRgFCUeF1sBuQBioPyKfsmM9ocsHp+UK3g6A80q4wGnP4ts4Ejg378vYWCw==
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

2026-09-17T09:56:26.710553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084478
observed be32c830cd03cadf1d3aae5f31c98aa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.693384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084478/manifest.json
observed c45c3dfc4b547301126b7383e74574eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.674836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084478/publication.md
observed 6c605bba5b216b8ee2f114c5c5993aa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.656399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084478/publication.txt
observed a4b54f2e13e14d55aa1f66b2743788ee...
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.