OpenTechnical

OT-2026-000047818

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047818) never changes.

Identity and time

Publication numberOT-2026-000047818 · never reused
Internal UUID01a0ae7f-c420-7d61-be95-cb3a683a38b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047818
StatusPUBLIC

Content hashes

Canonical textfac9c3d5a895c693631366cab6b7e84a01a08d98e6b98af8d93ad06aefc67240
Markdown5cc92f3442760202e8f703b33847d0640a6adad8761aae7a7e57dd841ae709cd
PDF
Publication pagee5d7e72f2cf14b8c89379442fead87fd386d1eec1bad1f7fc3ab04ec7a79ae07
Manifestbdd3148ac82d1aaf510093e4f85411694818bef4ffe56a53b1065af761b03d45

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
SignaturezDcDIh8UqjH23HJcfNqdygzVaTQdHJxDZv7oebbCyYtDRulX84hVFYRSSo21exhLJqmNjhD9po/rKMNsnON2Bw==
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

2026-09-17T11:05:43.532052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047818
observed e5d7e72f2cf14b8c89379442fead87fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.513108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047818/manifest.json
observed bdd3148ac82d1aaf510093e4f8541169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.494551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047818/publication.md
observed 5cc92f3442760202e8f703b33847d064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.473477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047818/publication.txt
observed fac9c3d5a895c693631366cab6b7e84a...
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.