OpenTechnical

OT-2026-000048501

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump 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-2026-000048501) never changes.

Identity and time

Publication numberOT-2026-000048501 · never reused
Internal UUID01a0ae80-4de5-76ec-b48a-58271cd5e9b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048501
StatusPUBLIC

Content hashes

Canonical textecd3d9936ee498e37e81edc875a7fe8860715aa6535aef0c98b3c430f0c105b2
Markdownbaae97f3732b099a3a0666dbf45f1b8bc6dcd1c9582dfd68625718dfd91a5252
PDF
Publication page21333c3771d577cfd56f993c1ae4f90c33c8e26146ffebb0da91436b25fb0f87
Manifest5c2ba1e84ce896a04e7f94fe81f0a56002b0e650aabaff75e32d588d7ccf6352

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
Signature0c9E/2k3EJT/SghJkLGzT5/md2SDU06Z7CLff3AhXhfTXmMdK2hxm5rxBQ41RSRs4zVovxbTdg2ahYd5Umh5AA==
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

2026-09-17T11:05:10.530304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048501
observed 21333c3771d577cfd56f993c1ae4f90c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:10.512530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048501/manifest.json
observed 5c2ba1e84ce896a04e7f94fe81f0a560...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:10.493627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048501/publication.md
observed baae97f3732b099a3a0666dbf45f1b8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:10.474390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048501/publication.txt
observed ecd3d9936ee498e37e81edc875a7fe88...
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.