OpenTechnical

OT-2026-000061515

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000061515) never changes.

Identity and time

Publication numberOT-2026-000061515 · never reused
Internal UUID01a0ae8b-7b44-7df2-b331-9c191b8f4f42 · 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-2026-000061515
StatusPUBLIC

Content hashes

Canonical textd9d9094be41a0389bf9ce8372ce3b5041b10c06647256cf01e15e769ac4941b4
Markdown5e4e34a3fa92433cc4150f9ace0a01edbaf851783d5b467bd91672b2e4528bad
PDF
Publication page6c5b2f5931a9f1ede7ac1f85458d0ae0475740e013afd02283b77b7ea021ce51
Manifestb7db516721a7c88519d641cfce7068b0e516cee0006cf2b2b23b04fe29c45b3b

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
Signatureq8jXGZhKM/2iRG4IyLe7ZCa2St6wzOECB/SzC8qYbNGJsPH+PQ7ysGPTXCJhtf/uVxMpEpM7cb2cZH3wtX6HDg==
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

2026-09-17T10:41:24.813806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061515
observed 6c5b2f5931a9f1ede7ac1f85458d0ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.795875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061515/manifest.json
observed b7db516721a7c88519d641cfce7068b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.776976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061515/publication.md
observed 5e4e34a3fa92433cc4150f9ace0a01ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.757877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061515/publication.txt
observed d9d9094be41a0389bf9ce8372ce3b504...
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.