OpenTechnical

OT-2026-000051030

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000051030) never changes.

Identity and time

Publication numberOT-2026-000051030 · never reused
Internal UUID01a0ae82-c7b5-7ff2-b934-c20ee96cd043 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051030
StatusPUBLIC

Content hashes

Canonical text335130882a7a6b685405337629d4b1b8e8c4df853a279c9e445c8dc91476e8cd
Markdownf82e8007fffc02fedd102903a3b6c5ddc93223e3cad15706a2a88890ed0c0a62
PDF
Publication page63bac8d00855f001e6d5d1ea8fa83c7ada7b836de390b4ab2044eff314002e3d
Manifest6e78c04fc19bb391daecd6e3f0ff9fc774f5e46eacceab20d4f906c989d8a555

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
SignatureE4KE8PrJYi7tzjPL8ufUbBgA8WOAjA7d9/qgP1gpMZawphoX3Mytii64l+hQVRy2DZBxfcNtDEvNWzYUneiJBA==
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

2026-09-17T11:00:56.292537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051030
observed 63bac8d00855f001e6d5d1ea8fa83c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:56.273486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051030/manifest.json
observed 6e78c04fc19bb391daecd6e3f0ff9fc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:56.254873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051030/publication.md
observed f82e8007fffc02fedd102903a3b6c5dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:56.235318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051030/publication.txt
observed 335130882a7a6b685405337629d4b1b8...
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.