OpenTechnical

OT-2026-000030293

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000030293) never changes.

Identity and time

Publication numberOT-2026-000030293 · never reused
Internal UUID01a0ae73-e501-7783-8b78-da86d88738f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030293
StatusPUBLIC

Content hashes

Canonical textb68337de5ecc94f909ebc8a9d0ca3238aa739d058a6009551af99f5089ec5115
Markdowne943c91fc776b34a760cfe9721263c64e327671be4355a79b31724652792a57b
PDF
Publication page2f77e9baefef9631bbb30ca88d3dda512bf500ab3fbb8f24e827485222a46ca7
Manifest5199d9f95702793162c661b6f14f5c005e14a2f87dc7031c6ec993cdaa85d176

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
Signature9dL4Cu+1JCXh3wat6sBqwTsu1N5HtbNFFw6ewXSifs3jNVllntIpNiNu6ccQAHvCRQmZ9/T8sBxAa/EvtCf2AQ==
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

2026-09-17T11:37:57.746941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030293
observed 2f77e9baefef9631bbb30ca88d3dda51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.728339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030293/manifest.json
observed 5199d9f95702793162c661b6f14f5c00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.709343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030293/publication.md
observed e943c91fc776b34a760cfe9721263c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.691024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030293/publication.txt
observed b68337de5ecc94f909ebc8a9d0ca3238...
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.