OpenTechnical

OT-2026-000059299

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000059299) never changes.

Identity and time

Publication numberOT-2026-000059299 · never reused
Internal UUID01a0ae89-8614-7cf5-b4a9-945a2bd0a9c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059299
StatusPUBLIC

Content hashes

Canonical textd14bedd85c8b396a951cf2849f855827a80ece56ec14ed258c67d3e387dc96cf
Markdown48858176e73ec4780b5d8e1ecb8d22682eeefa8d7bad03a7afc6c5baa2567643
PDF
Publication page89a5e5b09f9d980f7828eb469c5b5b6ccc962b03a1de2034b5a4c5f3be31b5a1
Manifest1c7b18a39df8a759825bfeb8aefadd59d66825a12140db4ce8a35514f693305e

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
Signature+z0GYgBtgobFyIhWrLqhKSVn1VbkHtOg+5Gvu2QGuIUH66HJvoAubdNyUmvR0+Q5+6LMuWKAYUqNpNcKL6ceDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:45:51.540962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059299
observed 89a5e5b09f9d980f7828eb469c5b5b6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:51.523348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059299/manifest.json
observed 1c7b18a39df8a759825bfeb8aefadd59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:51.507011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059299/publication.md
observed 48858176e73ec4780b5d8e1ecb8d2268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:51.489263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059299/publication.txt
observed d14bedd85c8b396a951cf2849f855827...
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.