OpenTechnical

OT-2026-000048043

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000048043) never changes.

Identity and time

Publication numberOT-2026-000048043 · never reused
Internal UUID01a0ae7f-c423-7242-aece-97bdb1adb104 · 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-2026-000048043
StatusPUBLIC

Content hashes

Canonical textc61484cce50cdba8168796bda8e2b8a54d001ee352e39ff6e9e7894ba04f7f70
Markdown4cea85c30ff0de097f6520b1473825a5e4e461218da4bf848d008d283997c935
PDF
Publication page07862a6ed09881585d55cb5616e7145571c1108fb3be3e5acc1fdbcbed08ec08
Manifestcf86952ace0fa419cddfcafe465558537aa1830f112e537fe93e5811279ec249

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
SignatureJTzVAQX6i/kRvuxk5JEYRYIFzYepHRZCnheqXM2fYFC5RVwU9qTNLdTmspkvBY+jh864zLmFpIxR9zymDeTICw==
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

2026-09-17T11:06:02.766395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048043
observed 07862a6ed09881585d55cb5616e71455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:02.747155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048043/manifest.json
observed cf86952ace0fa419cddfcafe46555853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:02.718003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048043/publication.md
observed 4cea85c30ff0de097f6520b1473825a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:02.688391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048043/publication.txt
observed c61484cce50cdba8168796bda8e2b8a5...
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.