OpenTechnical

OT-2026-000043188

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, pulsed 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-2026-000043188) never changes.

Identity and time

Publication numberOT-2026-000043188 · never reused
Internal UUID01a0ae7b-327c-7106-96eb-b02a9ded845d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043188
StatusPUBLIC

Content hashes

Canonical text17a8c35bed1b65e3515fc149f95111b256e6502947be1d2c37c6365794e69040
Markdownb6eb356f53351b37416a8c74130dff95aaa4a06f9e0cf9db8644b836a744c3dd
PDF
Publication pagedfe6a0553532f63ecd674637761ff76e0887a83b88941b34e98096c68d10e76c
Manifest8899baafd295df908e813a78892a38171a65dd390814773cb1dbeb4741d2d50d

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
SignatureBLC7pnY3J64TAEOBIHqzQLzvNESoyRzdq6P9P8UpZOw7JQtTxFvTypdba0qLj5+/WNF8OD4Y4WKV8+zNHAXgDw==
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

2026-09-17T11:13:38.537360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043188
observed dfe6a0553532f63ecd674637761ff76e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.520395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043188/manifest.json
observed 8899baafd295df908e813a78892a3817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.502666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043188/publication.md
observed b6eb356f53351b37416a8c74130dff95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.483007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043188/publication.txt
observed 17a8c35bed1b65e3515fc149f95111b2...
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.