OpenTechnical

OT-2026-000016558

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000016558) never changes.

Identity and time

Publication numberOT-2026-000016558 · never reused
Internal UUID01a0ae6e-2d14-7a0d-aaa6-816182decc82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016558
StatusPUBLIC

Content hashes

Canonical textab48394dd5e2e87e284510fb4d617b26092b3940e9fd1121baabc64499d280b8
Markdown5d177d5bb920b2ec39bf1b742ea971f002c85c8f232ea67f6ebcbfcf06be1b5b
PDF
Publication pagebe74a013504581cc0ba88eaba647770ec3d013f67e4eec2a4de676224e511c62
Manifest3682c9605e3a8d30e3ced300aae416649ef4b576ba54d882e0ae550060aacf32

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
SignatureS0lIeWofJOVlUQqJ5G2TL8rYqMM+lRaItH0ndSHGeKNb0hbs0sEJZC/AGVfF2qCObuvqOb88rJw/AZSjNvgFAw==
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

2026-09-17T12:04:47.163535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016558
observed be74a013504581cc0ba88eaba647770e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.145679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016558/manifest.json
observed 3682c9605e3a8d30e3ced300aae41664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.128008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016558/publication.md
observed 5d177d5bb920b2ec39bf1b742ea971f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.110179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016558/publication.txt
observed ab48394dd5e2e87e284510fb4d617b26...
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.