OpenTechnical

OT-2026-000007660

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000007660) never changes.

Identity and time

Publication numberOT-2026-000007660 · never reused
Internal UUID01a0ae62-76bd-70f6-9398-e7fe2e7af3ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007660
StatusPUBLIC

Content hashes

Canonical text205369f5c2c02bf28cbf092a40213c1a5c228802141243e141531f0187a7ad92
Markdown8034d8468270c6e7ac3761a9c670f90013b65de9ba9b1ca4b76baa7ed4e6a073
PDF
Publication page0dddd21eb11222147214bff5e4f4b2053a799eef8e174470dc7016012696448e
Manifest8e5d2234d71e8c142213eac13c373698498a5a8072bc7a6d69a5ae7303e6047f

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
SignatureY7jGIguch14naPoAbGgIfCy6XLEhaWs2sn1mpdsx/9BHVCgPjFca2RfLgLpjeLk7FMU9rTyvujhZRj8zyzW4CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:16.936678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007660
observed 0dddd21eb11222147214bff5e4f4b205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.917941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007660/manifest.json
observed 8e5d2234d71e8c142213eac13c373698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.899879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007660/publication.md
observed 8034d8468270c6e7ac3761a9c670f900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:16.881980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007660/publication.txt
observed 205369f5c2c02bf28cbf092a40213c1a...
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.