OpenTechnical

OT-2026-000016985

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000016985) never changes.

Identity and time

Publication numberOT-2026-000016985 · never reused
Internal UUID01a0ae6e-591a-7e3c-9de8-c7178093f8c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016985
StatusPUBLIC

Content hashes

Canonical text4871aaf8bb3127ab4b0810cf6f9ed7459ef2723f09863747320ce7f6915a7593
Markdownf31e351f0fef9fadd913ce42af0c432bf5b88e094f7775916e770a162688cbc0
PDF
Publication page949d1b8c54f5024f700cfd173f40a6fdf4fcc4124b090fcf148a9e513118869d
Manifestf9b13c389283617b4cd793bc1a0a0b898dc29b67d03cb66858d48998cd40d3ee

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
SignatureZV2AGWUZzboKafwCPFzHT8Wm+65FHlUWlll48+hJVlv3pRSdzCrE3ka7FExEtznHAHVkjUYYecOMceAKLsEdBg==
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

2026-09-17T12:03:23.372844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016985
observed 949d1b8c54f5024f700cfd173f40a6fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.357232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016985/manifest.json
observed f9b13c389283617b4cd793bc1a0a0b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.340987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016985/publication.md
observed f31e351f0fef9fadd913ce42af0c432b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.324575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016985/publication.txt
observed 4871aaf8bb3127ab4b0810cf6f9ed745...
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.