OpenTechnical

OT-2026-000079947

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, sustained 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-2026-000079947) never changes.

Identity and time

Publication numberOT-2026-000079947 · never reused
Internal UUID01a0ae96-4377-7e06-98d7-61bf935e0bae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079947
StatusPUBLIC

Content hashes

Canonical text5a74d57820f572f154d6077fc780d3b04edda5792ec5f0d6d0fe264b4552a9b0
Markdown368859733ce8528bfdff8e15c0ff88e8b3255c96593241c2d001707e3ab7b105
PDF
Publication page38a63543d68db274f21d2985b47cb80d2b06472f061fe3165556de9a4f105f57
Manifest64a5d9942c0d3d22f3e066615fb0c2e56b250ded2065d71266687993ddca097c

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
SignaturefLux7eDpQV9ZOufHMgPictkp+yZwKQC9uxu6v5KtFZMpfsuAL4zwqpnHr6tiNdpB/t/Si7loEvybuk/C4rvhCw==
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

2026-09-17T10:03:51.285768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079947
observed 38a63543d68db274f21d2985b47cb80d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:51.265906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079947/manifest.json
observed 64a5d9942c0d3d22f3e066615fb0c2e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:51.245868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079947/publication.md
observed 368859733ce8528bfdff8e15c0ff88e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:51.228474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079947/publication.txt
observed 5a74d57820f572f154d6077fc780d3b0...
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.