OpenTechnical

OT-2026-000104168

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000104168) never changes.

Identity and time

Publication numberOT-2026-000104168 · never reused
Internal UUID01a0aea5-341f-7c5f-9266-6d002abb5c5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104168
StatusPUBLIC

Content hashes

Canonical textddce18224b84220f3647dbdfec5229eb813fcd7be1f2b30a5b10ff5bc6016379
Markdownd40e70dc2cc7ee6c176148dc6a04986f88860e29e6f21cce83246e0c1524b420
PDF
Publication page29ccb6f479b2326c8f0c0dffaa63aeeb2da291ad5c39a60a13f27e72b0fe91bf
Manifest5e95552bb2337c9d0ec0dbdf3db1be12241c1458bfd516f281330b5c4b47272f

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
SignatureFbkBMSZkBw9mBXB1eYT5YMXkeh2356xcF7VZlDTHdHIGCO8V30f1DAW+ff+a0Z18C4H0V5NJTxcu7c+XaglcAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:15.562968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104168
observed 29ccb6f479b2326c8f0c0dffaa63aeeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.544856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104168/manifest.json
observed 5e95552bb2337c9d0ec0dbdf3db1be12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.526545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104168/publication.md
observed d40e70dc2cc7ee6c176148dc6a04986f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.508049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104168/publication.txt
observed ddce18224b84220f3647dbdfec5229eb...
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.