OpenTechnical

OT-2026-000081444

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000081444) never changes.

Identity and time

Publication numberOT-2026-000081444 · never reused
Internal UUID01a0ae96-f375-7243-9657-57b1116c5f7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081444
StatusPUBLIC

Content hashes

Canonical textab8e2f63fa4882d7c657b0ff8435247f144ff3993785b692655891fc96da082c
Markdowne09083b698d849ba9db397867a48e916c12d412e744fc56830fedcb2fbf99f42
PDF
Publication pagee8019538a8ea7bf324c01b3efb250b4adae669acb444d94305811b0504090115
Manifest45113db1551640cdf9bbf343f0e779010f79f9702a32f08c6a06aef81847d10f

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
SignatureDeH+mU1o2PkkdbyIbdUrA+sSB4nyYKC5sUutO+0VGmPapy6d8gav/J5WZJWsbd3DlAYUYgfC+Hw7erhaBfG0Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:36.245694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081444
observed e8019538a8ea7bf324c01b3efb250b4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.227808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081444/manifest.json
observed 45113db1551640cdf9bbf343f0e77901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.209953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081444/publication.md
observed e09083b698d849ba9db397867a48e916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.189810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081444/publication.txt
observed ab8e2f63fa4882d7c657b0ff8435247f...
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.