OpenTechnical

OT-2026-000077576

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, vented after 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-2026-000077576) never changes.

Identity and time

Publication numberOT-2026-000077576 · never reused
Internal UUID01a0ae95-2ece-787d-a69a-f94a59ec3b8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077576
StatusPUBLIC

Content hashes

Canonical text86c2a1bb8784ac9b2e08131404f12e47dff0a388a4c39d6bac306d3d6cd45bdc
Markdownd4ec771d2dfc9d48bfceb8f7fe05a8e12d71f98ae329751a0a6bb972135c785e
PDF
Publication page578889870ce87082940fe0b47190af7dfcd5fa608d378d81250332d73568103a
Manifestb1e320370ae054ca866c2abed003de8f1dc1c5bcdfa8ffe00e14f602e9c8fc6c

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
Signaturepf9cH+rzm7A0dhqH30oa6eQyxhoNbN1LazdLWV8Vk3oHIkfCzv4vObj2SI7yJUVyGbtVGYc0JHCw85+fdwPrAw==
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

2026-09-17T10:06:53.716602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077576
observed 578889870ce87082940fe0b47190af7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:53.699108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077576/manifest.json
observed b1e320370ae054ca866c2abed003de8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:53.682002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077576/publication.md
observed d4ec771d2dfc9d48bfceb8f7fe05a8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:53.664375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077576/publication.txt
observed 86c2a1bb8784ac9b2e08131404f12e47...
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.