OpenTechnical

OT-2026-000078286

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000078286) never changes.

Identity and time

Publication numberOT-2026-000078286 · never reused
Internal UUID01a0ae95-7c27-70ba-acc3-e35352385349 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078286
StatusPUBLIC

Content hashes

Canonical textf745e7a406e66fa00bf2d287d3099d0f627813a34a959ebd11a74bd6550801ef
Markdownfba72be2bbe2b3bef46f1f2bcac1d7b4943ec4742cf04a49f0b2b917f2b1126f
PDF
Publication page2646fb7520ee5196102fb7a6fee3e236fa15cd8e8cdd06b9c8c9d671da34b74e
Manifest0ea6d6a43fafbdd39e56078473e65138a0d66eebd155ce427f6846e4444ebac5

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
SignatureLNxfbjlk3HTwKWBsdRBLNXT2Afb6URtk7n4rNIGMqO+oy9Xmwov4yS/vgzknKEedQI0JSM66u8VFvSLyrkikCw==
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

2026-09-17T10:06:14.999955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078286
observed 2646fb7520ee5196102fb7a6fee3e236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.981724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078286/manifest.json
observed 0ea6d6a43fafbdd39e56078473e65138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.963826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078286/publication.md
observed fba72be2bbe2b3bef46f1f2bcac1d7b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.946946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078286/publication.txt
observed f745e7a406e66fa00bf2d287d3099d0f...
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.