OpenTechnical

OT-2026-000044878

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000044878) never changes.

Identity and time

Publication numberOT-2026-000044878 · never reused
Internal UUID01a0ae7c-911c-702b-acf0-798a831539f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044878
StatusPUBLIC

Content hashes

Canonical text8a44aa8b65a85e2b36cb18396d7d5545d3ba2ad43fc0cc10a1cd7119465f2d67
Markdown1dc7d692c5a23a9d665302e778bd823074909e7168e66c1a4708bf22cb2d7c47
PDF
Publication pagec94ff8cc127741d80a18927f13a0fad6c04d607903d5d91c577338dc0c388c4a
Manifest91818a34c588bb16a38df5a58c91ace5be379ccaa080b5c3912946508e851980

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
SignatureSHKXZh9SFuZ+5wWoguJOhbkAlBFatH8aS8sstM3nCP5TBgUYsrIZ2LzQ/Irlx/IDmh80F80dG/PN4Ev8uP67Cw==
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

2026-09-17T11:11:32.062720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044878
observed c94ff8cc127741d80a18927f13a0fad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:32.043170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044878/manifest.json
observed 91818a34c588bb16a38df5a58c91ace5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:32.023020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044878/publication.md
observed 1dc7d692c5a23a9d665302e778bd8230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:32.002764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044878/publication.txt
observed 8a44aa8b65a85e2b36cb18396d7d5545...
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.