OpenTechnical

OT-2026-000015009

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000015009) never changes.

Identity and time

Publication numberOT-2026-000015009 · never reused
Internal UUID01a0ae6d-d096-7e68-a1a3-83b51227993b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015009
StatusPUBLIC

Content hashes

Canonical textdc95835b686adf12885fa5da8bea7a25debc3b09acd0aacfac693f0524e7139c
Markdown0cd18266755dc54e70a71efc542729e23230c027831d06f1add7f656dba611f0
PDF
Publication page0ca77ec5d2d89dfc945e698ef4f758f4703d60ae74778a6abd373cdca24a28a1
Manifest294f1e58aad2661ea1bd1e108a8f7a2b81ca7cf2f2ba2828339f925fefa699e7

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
Signature83CZDs/xTMwhVIwQ3ibJTWTyKcJzoR4CrC2JuXS3U+5hWtPE44/DNdGbzDWwwcbYGHWf84PHcKfYOutbBbnZAQ==
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

2026-09-17T12:06:58.702030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015009
observed 0ca77ec5d2d89dfc945e698ef4f758f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.682619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015009/manifest.json
observed 294f1e58aad2661ea1bd1e108a8f7a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.665119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015009/publication.md
observed 0cd18266755dc54e70a71efc542729e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.649032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015009/publication.txt
observed dc95835b686adf12885fa5da8bea7a25...
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.