OpenTechnical

OT-2026-000066259

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000066259) never changes.

Identity and time

Publication numberOT-2026-000066259 · never reused
Internal UUID01a0ae8e-8dc4-7a90-9851-feed9f7ddd1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066259
StatusPUBLIC

Content hashes

Canonical text61e9d04ef80a95fe3d0158aabd444992b447b0d6014a34d847fc134ff762eaa4
Markdown89d3ffb2a53f1d2d9cdc346a1d81ee124b47499ce3b697c31e268180c587248b
PDF
Publication pagec44534a659a9457c13de4ef17394bb0d5dc53ba2ea2d6056e08e758440ee3ee1
Manifest6d6df95ba5e4d1e0a95eecd47d72573ea8e9d6e7dfb2f4b7cdfc59f7b06bd8c4

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
SignatureuIiTC8y4ORhZsQTyVHb4q312LzX15/N14k1WgLrvD6rNyUt0QEUYgZ9UEJmeJCbdHOtBwRkArTzBlZyk2heNBA==
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

2026-09-17T10:33:25.836495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066259
observed c44534a659a9457c13de4ef17394bb0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:25.817655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066259/manifest.json
observed 6d6df95ba5e4d1e0a95eecd47d72573e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:25.798874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066259/publication.md
observed 89d3ffb2a53f1d2d9cdc346a1d81ee12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:25.780086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066259/publication.txt
observed 61e9d04ef80a95fe3d0158aabd444992...
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.