OpenTechnical

OT-2026-000017994

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000017994) never changes.

Identity and time

Publication numberOT-2026-000017994 · never reused
Internal UUID01a0ae6e-96fc-76ab-be29-536e895127c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017994
StatusPUBLIC

Content hashes

Canonical text067647e673df7e1ff56aee337612ab0fa9522d7b5a99aecbe4f3ea50ba8d3ffb
Markdown5c73a59f7b9cf72345097434beb59d5aace96bd239d3e9b062382cd0fa0029bc
PDF
Publication page4ade7959c634472c2619fb6217dc4166fc13461da9f41382f5f0e6d4142e8bb5
Manifest9ae0633accc20d4bf8979f13a4f1716e4f13f9af9388a8c5a9dbbb31f523ef0b

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
Signature3fF+99CnLNunbz5UNNOOCUTGQDIOAe1a0whtktnQSHSJkOT0HSpcRnD+KiqJlVYIkJD2VoQAlp3mZ1yg3w8nAA==
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

2026-09-17T12:02:00.970488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017994
observed 4ade7959c634472c2619fb6217dc4166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.954470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017994/manifest.json
observed 9ae0633accc20d4bf8979f13a4f1716e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.929619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017994/publication.md
observed 5c73a59f7b9cf72345097434beb59d5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.913492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017994/publication.txt
observed 067647e673df7e1ff56aee337612ab0f...
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.