OpenTechnical

OT-2026-000019553

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line 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-2026-000019553) never changes.

Identity and time

Publication numberOT-2026-000019553 · never reused
Internal UUID01a0ae6e-f394-728c-a32f-cdcbae5bab56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019553
StatusPUBLIC

Content hashes

Canonical textd06257000bebf85b88f69777485e795507049f858ae63fc469aea115556b02c8
Markdown0168d24efce8f33428326c3b7596ecfa0c253b42138650b770c93635e735af53
PDF
Publication page90f2e6286aed2f98f3d6c09a9d079e2977d619160a0ff57554d18ae242a8b565
Manifestfd5c6b07563456ac32f3f9bc331090241b1a2197ee6f843feb54e045512be18d

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
SignatureIQiGkUa3e37ZGusKkW+10l8TJ3KhtUCMIUKDG38hY0CgxfNuLFIEUbQdgbvj97jYNidCF5mAYPNLzOM2fRMcBA==
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

2026-09-17T11:58:59.764139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019553
observed 90f2e6286aed2f98f3d6c09a9d079e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:59.745503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019553/manifest.json
observed fd5c6b07563456ac32f3f9bc33109024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:59.728005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019553/publication.md
observed 0168d24efce8f33428326c3b7596ecfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:59.710333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019553/publication.txt
observed d06257000bebf85b88f69777485e7955...
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.