OpenTechnical

OT-2026-000015261

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line 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-2026-000015261) never changes.

Identity and time

Publication numberOT-2026-000015261 · never reused
Internal UUID01a0ae6d-ef48-7acd-a3a8-241a3f865064 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015261
StatusPUBLIC

Content hashes

Canonical text9a74a3fbe3a5e1d57e342e3554fda3bb5c9d5cebd4a2e84c21fb0f80b42c8f71
Markdown779f7c703f58ae471da2fcab66a92254940d247efac54bde4fe390bc15fb1472
PDF
Publication page5e464f545a928517b5c759ed99650d9d93cc4f63e2f04e083ae23da97c2a301e
Manifesteb443e4183bdbc022cb0539da6c2dd4ef8b7aa80b7ffc8177c48eef9f3328288

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
SignatureTjBIx87TXBUyNnchRR3UqFl29Tg55zQKg73Zaa1qysLw7r/qYQCzGlv2hz4WBKzHYTvXGzaxrB/hpcaKujxEAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:05:56.129686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015261
observed 5e464f545a928517b5c759ed99650d9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:56.111367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015261/manifest.json
observed eb443e4183bdbc022cb0539da6c2dd4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:56.093052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015261/publication.md
observed 779f7c703f58ae471da2fcab66a92254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:56.074108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015261/publication.txt
observed 9a74a3fbe3a5e1d57e342e3554fda3bb...
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.