OpenTechnical

OT-2026-000015299

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, pulsed blow-off before 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-2026-000015299) never changes.

Identity and time

Publication numberOT-2026-000015299 · never reused
Internal UUID01a0ae6d-ef48-7166-b9ab-fe38ab05b067 · 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-2026-000015299
StatusPUBLIC

Content hashes

Canonical text73306d088f66158221b10c561dfafd226cb401725c49b5b93d4a8cf4d1d35fc5
Markdown3a5f6aeea8f87adbb4b6ae63ab86737695c3cd10b4aeb2423fc0462ea8841c95
PDF
Publication pagecf484d516034a85cbe7c42d1cb1fb11347877dd2d5cba876333caa54493b223c
Manifest66002fe32eccd30a25783adc0de187f24bc3d4b9802660f500822574d7670f1f

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
Signature3JlijWRh0zexsiN40gWJyFbzFyYG9xQ/4qorI+FfzwS53zQKqMdGpIbDEOXHiaJfj4hQBT66DKKuPU/rQfjmBQ==
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

2026-09-17T12:05:59.282777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015299
observed cf484d516034a85cbe7c42d1cb1fb113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.264742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015299/manifest.json
observed 66002fe32eccd30a25783adc0de187f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.246742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015299/publication.md
observed 3a5f6aeea8f87adbb4b6ae63ab867376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.229200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015299/publication.txt
observed 73306d088f66158221b10c561dfafd22...
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.