OpenTechnical

OT-2026-000048928

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, 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-2026-000048928) never changes.

Identity and time

Publication numberOT-2026-000048928 · never reused
Internal UUID01a0ae81-134b-7de4-8255-2a00e50cff3c · 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-2026-000048928
StatusPUBLIC

Content hashes

Canonical text6d339fa54d0af27945a6734fb871b0bbac95a682eec148661b78deb29dba4cf7
Markdownde07274a52f2a37052a80a0a9baee3df1a73f8a927978442c63d2c8c5fee51f8
PDF
Publication pagedf4988507a3647dba1367deb7ba0c3da8ecde692f70a81fdba6a379081e5cc05
Manifestbd6d78af2117cffa985be7bcc7716938992e5d7458469b87d51a894f871e80d0

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
SignatureSMxBlZeLlKCMU540G8Kt8wmT6iBcS84ogBo65b0n5170SV0eiHBAaGm7YgRPclKAlKq5KVx6RKnY0eoZpyHXBg==
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

2026-09-17T11:03:06.455856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048928
observed df4988507a3647dba1367deb7ba0c3da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.438273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048928/manifest.json
observed bd6d78af2117cffa985be7bcc7716938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.420107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048928/publication.md
observed de07274a52f2a37052a80a0a9baee3df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:06.403943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048928/publication.txt
observed 6d339fa54d0af27945a6734fb871b0bb...
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.