OpenTechnical

OT-2026-000064489

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000064489) never changes.

Identity and time

Publication numberOT-2026-000064489 · never reused
Internal UUID01a0ae8d-a461-7cc1-b421-a9f4d85459bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064489
StatusPUBLIC

Content hashes

Canonical textf30ce8a8e8e2cea70b425d26fb46f90deb3264126e1ced3c337978eb078f0189
Markdown15d27852d24ccaae9a9363cad787b310b10a9e3a2c6465e157cb84059105aa13
PDF
Publication page432332388e10e784d1079f9b79a584c2c2bcb6dbae0c1cba97d6c2a32266e1fe
Manifest9499c51d09d77df51799316661df674af60553257f260c209bc719bf27398241

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
SignatureezxGa87QNnqpc7LXyLUZDo38eJPZ56nA1gsCimUQ38IZpYzy8eNkiyLHvpx2Rp4yFViWqILsoykcn+OxXth+Dg==
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

2026-09-17T10:36:41.214001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064489
observed 432332388e10e784d1079f9b79a584c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:41.194911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064489/manifest.json
observed 9499c51d09d77df51799316661df674a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:41.175907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064489/publication.md
observed 15d27852d24ccaae9a9363cad787b310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:41.156634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064489/publication.txt
observed f30ce8a8e8e2cea70b425d26fb46f90d...
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.