OpenTechnical

OT-2026-000063297

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000063297) never changes.

Identity and time

Publication numberOT-2026-000063297 · never reused
Internal UUID01a0ae8c-94ac-73bf-954d-685009a4a5ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063297
StatusPUBLIC

Content hashes

Canonical text4126fb2c4e7735256210e4624a7be69a50bacd646d2757b83fedf0d6b51b264e
Markdown6b7dcb2c7d30f2a65f5209fd2b5e0529db74652472ebd2de631a1e087f3db098
PDF
Publication pagea5ebb5239bfa8f9bad40609f89b5acfb33d367177c33e1f358d14b33b687109e
Manifestc180f3c87c50df9bfafaa4765eca1f72ee804de6971de65bfab8d6f5aebddd43

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
SignaturexI3y2nL2/8tVvzSavvKqmogqN54Gg7Vpz4VLOGrvyqJyTDxfLJbOFhmLaj3B5GoUETEPxbvxG0tU7Ige34laCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:11.593436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063297
observed a5ebb5239bfa8f9bad40609f89b5acfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:11.576141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063297/manifest.json
observed c180f3c87c50df9bfafaa4765eca1f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:11.555912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063297/publication.md
observed 6b7dcb2c7d30f2a65f5209fd2b5e0529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:11.534310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063297/publication.txt
observed 4126fb2c4e7735256210e4624a7be69a...
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.