OpenTechnical

OT-2026-000018772

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000018772) never changes.

Identity and time

Publication numberOT-2026-000018772 · never reused
Internal UUID01a0ae6e-d521-7c02-b9d5-e9f070aa0878 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018772
StatusPUBLIC

Content hashes

Canonical text0a4d37d99dc6bca45c5b5ce3b1100d741a5c5b76d7366e964917f86441180e07
Markdown667337418174f1bafc1135047ccb83d1820b03cc93bf611def31e79e5fe53f6c
PDF
Publication page5156bf2b119a75cc2bf99a6c15b39783e4ec6bf740a2242bca73635bbc548f75
Manifest573402b885a34c6e027dfa902ad893d0c7a2a6dfe4649a203dfe2a0e339ee404

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
Signatureh08B9loLKssPZz3QUxUjY0uUKxR4FVxEPKBeq1nBN8qmjcwJdfO8TY0bTdbWhaEdg72VHD9H+0zJy5+oWJHABw==
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

2026-09-17T11:59:23.668223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018772
observed 5156bf2b119a75cc2bf99a6c15b39783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.651697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018772/manifest.json
observed 573402b885a34c6e027dfa902ad893d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.633195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018772/publication.md
observed 667337418174f1bafc1135047ccb83d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.614133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018772/publication.txt
observed 0a4d37d99dc6bca45c5b5ce3b1100d74...
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.