OpenTechnical

OT-2026-000049670

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000049670) never changes.

Identity and time

Publication numberOT-2026-000049670 · never reused
Internal UUID01a0ae81-8fee-7797-b40a-2abc0c938405 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049670
StatusPUBLIC

Content hashes

Canonical text4923629de124442fe8321b1c9332bf44301a3e8f0c181796ec712908b6e7e74b
Markdownf83ff494c43d2480f51b2f380a73aa197a840c988173db43658b2bf7f8b1b3d9
PDF
Publication page6ebed6421c233f807e65bac896a45350fc3dbd4ed3a17ec8fb0e44d41feedc5c
Manifestc27b30d98e335307b4d14101fda6195e70302467cb63a5d5033f09d2e5eb6028

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
SignatureN63SN2BdPdxnJnWdsovp0rVPo4hN4zgD0r/CvzfYlUAthfv0s7G1CZOAOp11YYh8MXdjz+anLEj0Pg33zBHoDA==
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

2026-09-17T11:02:40.475030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049670
observed 6ebed6421c233f807e65bac896a45350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.457715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049670/manifest.json
observed c27b30d98e335307b4d14101fda6195e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.438701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049670/publication.md
observed f83ff494c43d2480f51b2f380a73aa19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.421106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049670/publication.txt
observed 4923629de124442fe8321b1c9332bf44...
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.