OpenTechnical

OT-2026-000056746

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000056746) never changes.

Identity and time

Publication numberOT-2026-000056746 · never reused
Internal UUID01a0ae87-7af6-7e0b-bd18-1da0f8a7fded · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056746
StatusPUBLIC

Content hashes

Canonical textf34c8341e4cd712e14ac1345e9e5dd66ed014db98c4100e0335039b04065eb33
Markdown5eadf30b5adb7eced9fd0355e6d70ff51802f6aa3251fe201a222d1fbb202de7
PDF
Publication page128259e1b618c485e8793f348330dfd315bf8afa967414cded77fbb66a18910a
Manifest4f9dd12590de0eaf4ac9a0071e83a8fdd542276d0858fadc43d639555df1ffaf

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
SignatureJmxomwtUK8OINh7At51riT6o7gPVkF5T6DmkniGL/3AXz1DcEWKWVWcAkE/J9uQbbmGxormjDRYqF72LrdZwBg==
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

2026-09-17T10:50:11.215781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056746
observed 128259e1b618c485e8793f348330dfd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.193322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056746/manifest.json
observed 4f9dd12590de0eaf4ac9a0071e83a8fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.172191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056746/publication.md
observed 5eadf30b5adb7eced9fd0355e6d70ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.153222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056746/publication.txt
observed f34c8341e4cd712e14ac1345e9e5dd66...
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.