OpenTechnical

OT-2026-000021183

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pulsed blow-off before set-down

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-2026-000021183) never changes.

Identity and time

Publication numberOT-2026-000021183 · never reused
Internal UUID01a0ae6f-865b-778a-9145-8ee189ab9cbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021183
StatusPUBLIC

Content hashes

Canonical text084bdfb2afac8b49a7569b320181ed6e4b5feb1c7e4b7271801d8a0904f817b2
Markdown807ac7f172eecbbc264065a447d5c48e05aca8fd6b84925885613f25c625aba7
PDF
Publication paged86026e3cbf7c80e62f6099b004bce24b8bc493391f3538b9cd7db026255a059
Manifest29e3e60575aea45849431f9694a67c001f5d8917c3213462e4b31f9858727df2

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
SignaturezKE/JBoFlyHFXR5rDI15wyoyCIH0bGgAXeflXvt4vkhf2+ZFCUY6exwOA6TeXqt0qVx4WwlDjzuTdaqYQV2aAQ==
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

2026-09-17T11:54:58.219582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021183
observed d86026e3cbf7c80e62f6099b004bce24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:58.201452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021183/manifest.json
observed 29e3e60575aea45849431f9694a67c00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:58.184182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021183/publication.md
observed 807ac7f172eecbbc264065a447d5c48e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:58.165822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021183/publication.txt
observed 084bdfb2afac8b49a7569b320181ed6e...
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.