OpenTechnical

OT-2026-000047733

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000047733) never changes.

Identity and time

Publication numberOT-2026-000047733 · never reused
Internal UUID01a0ae7f-c41f-7a5d-9d80-cbcb4bdd58cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047733
StatusPUBLIC

Content hashes

Canonical text386659c45370b01b12880260312d71cd84cf7e13a48d64f062e3727af9b4782d
Markdown34cdec4b3c7d14356fa63b6b6910f949c51b27c6b902394e8b2eaeca6e8a9588
PDF
Publication pagec6c164fc7e051fe85d132900460a92b2b1414685cf6652691778d385b6f4ccdc
Manifest1aadb6cbbfeb8ecf016c87723b6b81d4a8790db2f68f18f0a9bf211cae922519

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
Signature9E9eYmMcxmXdZoSkSAWEPYGwne7I/cddQ3AE6paSiXU/WgOgh7iYuCqBIOpk/CEdb9maWln8kbgBOgPlVqUVDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:36.403689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047733
observed c6c164fc7e051fe85d132900460a92b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:36.384476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047733/manifest.json
observed 1aadb6cbbfeb8ecf016c87723b6b81d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:36.364625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047733/publication.md
observed 34cdec4b3c7d14356fa63b6b6910f949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:36.345242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047733/publication.txt
observed 386659c45370b01b12880260312d71cd...
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.