OpenTechnical

OT-2026-000048873

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000048873) never changes.

Identity and time

Publication numberOT-2026-000048873 · never reused
Internal UUID01a0ae81-134b-71a8-82a4-098ef17c336d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048873
StatusPUBLIC

Content hashes

Canonical text4fd5e7cd3c8d8188af4793479af382403779e66a1ca73b4d58952959c6b5eddf
Markdown24de2f0872c90acc4160511dbe5c5ab2b5e5ec55058e3e1a835b594be98947f2
PDF
Publication page0e526bbe97071af037c9245ccc50e1cc7a7676fcb53864336992d12f77cfbbf2
Manifestd0b0160a686fc6edb91e61d59cbb876adb1e7d8a79733e73c4e74f43cc6f6ddd

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
Signature7Iz20D45vhrotmEGld1pmBE8GZBgijcvkXaoBsByMRVK2abOop+QsVtfwjee23/dPg6k1N3BG2qVPPIKC8EHCA==
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

2026-09-17T11:03:01.653396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048873
observed 0e526bbe97071af037c9245ccc50e1cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.635053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048873/manifest.json
observed d0b0160a686fc6edb91e61d59cbb876a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.616329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048873/publication.md
observed 24de2f0872c90acc4160511dbe5c5ab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.596570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048873/publication.txt
observed 4fd5e7cd3c8d8188af4793479af38240...
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.