OpenTechnical

OT-2026-000056690

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000056690) never changes.

Identity and time

Publication numberOT-2026-000056690 · never reused
Internal UUID01a0ae87-7af6-759b-a2ce-6e10c8a53f60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056690
StatusPUBLIC

Content hashes

Canonical text731c6861745f19e4a41fa860ae54410d876b70622ca16866e191bc0494ab623d
Markdown3b4858e97e762b57f1e88b7a68e9985e500b040e0b407c7e2900830c4c2cb4bb
PDF
Publication pageb5e02704e83df928bdc58093488753b81f7d03182253581888b337ecfdc3ba43
Manifest90243aed356d1acfeb3742a18df70c56080c6a91c2303aa4397af6b99c2bd61f

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
Signaturere8VgqG/xROwOtZyjiexrNOR3Y7KzfhA2qF2wFo0o4M/eGCCJBcRVoD1+UQC2zC0uh/2+aA3yk2jbCGXFL/LAw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:05.648246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056690
observed b5e02704e83df928bdc58093488753b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.631687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056690/manifest.json
observed 90243aed356d1acfeb3742a18df70c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.612585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056690/publication.md
observed 3b4858e97e762b57f1e88b7a68e9985e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.595543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056690/publication.txt
observed 731c6861745f19e4a41fa860ae54410d...
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.