OpenTechnical

OT-2026-000064200

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000064200) never changes.

Identity and time

Publication numberOT-2026-000064200 · never reused
Internal UUID01a0ae8d-a45f-7ace-b088-dc6ccaed7e25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064200
StatusPUBLIC

Content hashes

Canonical text2a00dcbbafe427d52a43ca0bf0223e355cb7e675b0f6d2101877b5ea6499cb99
Markdowndd517d9d7f65b9b4365a46d46399ae77a3fe5d8ce05cae8464c14ee2396f4250
PDF
Publication page17b3055a79b41427b17807acd8f821998308ed243757a684575f76c8e8899d3f
Manifest6952b69724c98e2119786d9f2ed393fcdc2c86583a1df83cd45880f7609a879d

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
SignatureS4QzGyfE+8BD8kuiXyD4IUZL03iWygMgXNQhRAwlNDZbVpHz7FpbczYm9uTJqX5aDKXlnrYrXkmcw+b782NiDQ==
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

2026-09-17T10:36:18.989216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064200
observed 17b3055a79b41427b17807acd8f82199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:18.969864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064200/manifest.json
observed 6952b69724c98e2119786d9f2ed393fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:18.951237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064200/publication.md
observed dd517d9d7f65b9b4365a46d46399ae77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:18.932126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064200/publication.txt
observed 2a00dcbbafe427d52a43ca0bf0223e35...
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.