OpenTechnical

OT-2026-000054202

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000054202) never changes.

Identity and time

Publication numberOT-2026-000054202 · never reused
Internal UUID01a0ae85-b3a8-7fad-a57d-f10cdb99ec39 · 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-2026-000054202
StatusPUBLIC

Content hashes

Canonical textf79e1eff5ec63f19035629946d7b0ea5a0bd7673975be43fcc44ed3f26c6bfbd
Markdown66a848b282b1fa7b4d2bb70b421c591dba935525ec54210c7211b184b93d0b4d
PDF
Publication page243b511a140f355e617cab33852c5bcffd987b0d9d494d8b9b1d0d06a888d98a
Manifest8c1d229e61c2e4133b95784723b23914ab7f033c610e55bc8b20428df7816e8c

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
Signatureg8dBkrNH7sSYiChpaiE+GfTz9MIKqMcn9VscJvG364esUTNy6xOBYRipxk/h4HL/3CmIPxj+EQERIvrDhcUUCg==
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

2026-09-17T10:56:28.184952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054202
observed 243b511a140f355e617cab33852c5bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:28.167576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054202/manifest.json
observed 8c1d229e61c2e4133b95784723b23914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:28.148088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054202/publication.md
observed 66a848b282b1fa7b4d2bb70b421c591d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:28.130443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054202/publication.txt
observed f79e1eff5ec63f19035629946d7b0ea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:40.551519ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054202
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:40.537841ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054202/manifest.json
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:40.521761ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054202/publication.md
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:40.493612ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000054202/publication.txt
observed ...
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.