OpenTechnical

OT-2026-000047889

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000047889) never changes.

Identity and time

Publication numberOT-2026-000047889 · never reused
Internal UUID01a0ae7f-c421-7322-9424-de13c3ddca4b · 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-2026-000047889
StatusPUBLIC

Content hashes

Canonical text6119c0bf272c1fa0b955159f9624fbf8486d417dc2aec45f319a842bd887caf9
Markdownd8b1c8c2d96f03271ff3b1019ff08ac91b59e7e2b1b677c7d95aed60738dcfa0
PDF
Publication page62b55298c6d82f5e481ee9e33cfbe17eb338f849522f1379d03d6e213065b2ef
Manifest64cd3f492700b0f6172f2e59757c114b1099ffab4ff4ccca0b92aff178d8fb5b

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
SignatureKo3vk7xKM3nUmimlTsmQ7BsYZGTpzr2/rCqFrOuN+8+G5quO8y+4Wxw7c+nwFGkRAJQXkkK2OHX3w+aRHotRCg==
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

2026-09-17T11:05:49.565650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047889
observed 62b55298c6d82f5e481ee9e33cfbe17e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:49.546798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047889/manifest.json
observed 64cd3f492700b0f6172f2e59757c114b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:49.528730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047889/publication.md
observed d8b1c8c2d96f03271ff3b1019ff08ac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:49.508501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047889/publication.txt
observed 6119c0bf272c1fa0b955159f9624fbf8...
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.