OpenTechnical

OT-2026-000078267

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000078267) never changes.

Identity and time

Publication numberOT-2026-000078267 · never reused
Internal UUID01a0ae95-7c27-750f-901a-16b696dab7e5 · 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-2026-000078267
StatusPUBLIC

Content hashes

Canonical text02d3fbff2687d74af7e4529c96cdd8da11d1bad6fb622fe77886b55cb4f1b10e
Markdown352e7e4790efcb3626d8bfc05f85a39a8dcfb1a059a1799256884106278820a3
PDF
Publication pagea6357dbb0a75cbc4fb08e2ceb1220ae2be2bd55eb118063b33e7c2a2fd6356bb
Manifest9c249c3f11f81100be04fa3d04c7c7434e8d5fe490853cbb089ca3029a804bbb

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
SignatureKcmN+Q8R1AE1suMU8ybRyUkjvwCOXff3hKGkrT5pI2IWaGQFTNYBTKF4P1QP3Li4yJ+ILDXjZh9kWmeORqigAg==
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

2026-09-17T10:06:13.682504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078267
observed a6357dbb0a75cbc4fb08e2ceb1220ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:13.664114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078267/manifest.json
observed 9c249c3f11f81100be04fa3d04c7c743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:13.645250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078267/publication.md
observed 352e7e4790efcb3626d8bfc05f85a39a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:13.626380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078267/publication.txt
observed 02d3fbff2687d74af7e4529c96cdd8da...
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.