OpenTechnical

OT-2026-000054398

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down

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-2026-000054398) never changes.

Identity and time

Publication numberOT-2026-000054398 · never reused
Internal UUID01a0ae85-b3aa-7bf9-8531-d329667a4945 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054398
StatusPUBLIC

Content hashes

Canonical textded56d885c84278d3f1222c68609267e648320dc9decbfd268cf65cfd81034e6
Markdownb83026606c627ed9c04db41c3168454e19368ee9b55cb6dff29f549c31958469
PDF
Publication page30ec96cfc1de27aa1d3a1ac16084ce27b65eee2667bcc13055f2a67b3e3c3535
Manifest37bd3d056784a8629316ce2aa0dda863acf583d72afdbceb3ef8d924d4f7b265

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
SignaturefrWOUPaaAVarcokH5SMFGFeqjx3FLiv2kCowg2UGP0CFglsCbH3zC9MBZCb7sY+C5+TrqQmrjAlL6OaSPml7Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:56.366841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054398
observed 30ec96cfc1de27aa1d3a1ac16084ce27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.348699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054398/manifest.json
observed 37bd3d056784a8629316ce2aa0dda863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.330229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054398/publication.md
observed b83026606c627ed9c04db41c3168454e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.312394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054398/publication.txt
observed ded56d885c84278d3f1222c68609267e...
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.