OpenTechnical

OT-2026-000048920

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000048920) never changes.

Identity and time

Publication numberOT-2026-000048920 · never reused
Internal UUID01a0ae81-134b-71c5-b9dc-0f4ef3b618f8 · 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-2026-000048920
StatusPUBLIC

Content hashes

Canonical textc0044934b0cda23c4a6d33a571acd498c009a203f321f1a936359eece8f52dfd
Markdownf4c2dea9561c6d3f4a25e729f77dc2fff955554681cb49498b9ac42bec52787a
PDF
Publication page7aeeb924fad28b1036b9db5b72db954002ae345b0d7ab5a433b5ef0042b4cec3
Manifest89e93229606177368965177bf5f756cb6b4f04b968d9efb40cd83a1c55ee4975

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
SignatureuD9VReJidc+VPNRZ5rccMmnoN5JqugHM3Uq91JpTt3j+/JSrbfDIhoftDAJGvxdOLaWr9m1SdpiU5jDrqraADQ==
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

2026-09-17T11:03:05.836718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048920
observed 7aeeb924fad28b1036b9db5b72db9540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.818108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048920/manifest.json
observed 89e93229606177368965177bf5f756cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.798288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048920/publication.md
observed f4c2dea9561c6d3f4a25e729f77dc2ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.779127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048920/publication.txt
observed c0044934b0cda23c4a6d33a571acd498...
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.