OpenTechnical

OT-2026-000061405

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000061405) never changes.

Identity and time

Publication numberOT-2026-000061405 · never reused
Internal UUID01a0ae8b-7b42-707d-9acb-df4d36b42b1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061405
StatusPUBLIC

Content hashes

Canonical text7a91474f59c81871efc6d3c4c6d9b95431a6814d605bc279c1887547bc6d962a
Markdownc54fad46befa77aae9bba1ccba43df2faa827a59f3299c5099adc98bac30ad1a
PDF
Publication pagecb6437ab2d5a3c439d2fce586db54636a52edb2465821737ee575f1b273bfb50
Manifest2ff98c208f9f730abebff79facb46541bb553d4eaa4568fe92c41a9a3905b1a9

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
SignatureuCi0DUghol184XD5AxoMDI5LNs/c97R9LOfEaxUuW97Z8yIFeofnGFkfH5ExWCGSEtH93zwYauMx4xem55DoCg==
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

2026-09-17T10:41:16.181145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061405
observed cb6437ab2d5a3c439d2fce586db54636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.162299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061405/manifest.json
observed 2ff98c208f9f730abebff79facb46541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.143727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061405/publication.md
observed c54fad46befa77aae9bba1ccba43df2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.122540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061405/publication.txt
observed 7a91474f59c81871efc6d3c4c6d9b954...
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.