OpenTechnical

OT-2026-000078215

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000078215) never changes.

Identity and time

Publication numberOT-2026-000078215 · never reused
Internal UUID01a0ae95-7c26-7282-b1b7-a04a97060dab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078215
StatusPUBLIC

Content hashes

Canonical texted3d89a3301e968d76f88969458758c824d642df0eb6ffdb11d73d07f677e9dd
Markdowne98d1b2b097189c893cf33affad7f8bff39d6b46b5bd23abc213594276648774
PDF
Publication pageee59fadad15bce6a51512855816989a7d23932cc4d2f9f28af3b858adcc03997
Manifest0ecccb0d5f58fc7127de6f7ecd5092b0dd4017790d6168c72078c25d02ff3719

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
Signature+mSPS5bjv039ighCbrL1FOc9ak7cV/Cg0gPDAvmO5r3a2NGYLZncHXPyK2wWROChj7qcEMFOoKR/wFPLoj8/AQ==
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

2026-09-17T10:06:09.784313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078215
observed ee59fadad15bce6a51512855816989a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.766800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078215/manifest.json
observed 0ecccb0d5f58fc7127de6f7ecd5092b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.748605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078215/publication.md
observed e98d1b2b097189c893cf33affad7f8bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.732809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078215/publication.txt
observed ed3d89a3301e968d76f88969458758c8...
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.