OpenTechnical

OT-2026-000014112

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000014112) never changes.

Identity and time

Publication numberOT-2026-000014112 · never reused
Internal UUID01a0ae6d-b278-737a-8982-80f573b9ab45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014112
StatusPUBLIC

Content hashes

Canonical textf7e6a35226b439d9d00cacae7b8ab0c937c5970eb0090ebad271aadaf35eef37
Markdownd878aac030b92fd859f05a1f0e1fc8536257fb434cd0fbf3b00c6535a21c1c30
PDF
Publication pagef033bed476c46771fcc3b5a1aa372be5ce870e139d7325b2bc11442a5d1e64f0
Manifest4650275f4be1a08609b28b441ee659fdf14534313af9e5f0ff817e36205fdfce

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
Signature1CSVzizoCznWdlvUQASHKgmXKVpTzoXOBGRCL79oEmpNBYjiO7jMGVzdU3ihV9sVGmEeN0Clke1hzlwzhRI0Aw==
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

2026-09-17T12:07:10.719135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014112
observed f033bed476c46771fcc3b5a1aa372be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.698692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014112/manifest.json
observed 4650275f4be1a08609b28b441ee659fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.681089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014112/publication.md
observed d878aac030b92fd859f05a1f0e1fc853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.662284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014112/publication.txt
observed f7e6a35226b439d9d00cacae7b8ab0c9...
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.