OpenTechnical

OT-2026-000038461

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000038461) never changes.

Identity and time

Publication numberOT-2026-000038461 · never reused
Internal UUID01a0ae78-2d53-7f6e-bcc7-e07b09887f8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038461
StatusPUBLIC

Content hashes

Canonical text5616a5e63e86da45ccb60dfe009e88afce33005b902e842b2ba4786a90b92e5a
Markdown62b036b0c62c18b4c5a75329c88a749fd30d54e938a539914a1d45a1c7e945a0
PDF
Publication page264620dd6122b8f52d772470f52136c13f1521f5bf8e734e5bb95aea231f9b91
Manifest115e80bff6447f455d9a7ff70a304ea4604f9dff1b401ef6a750e768df487ebe

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
SignatureMzwfW/FJewsgQJqQRkL/kNnOg9wb1oIevD+D1VSqALNiGo9/anS3gPOPfkpn6+Y38tpmpdgcg04xOgifjmK6Bw==
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

2026-09-17T11:22:41.763113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038461
observed 264620dd6122b8f52d772470f52136c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:41.744664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038461/manifest.json
observed 115e80bff6447f455d9a7ff70a304ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:41.728329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038461/publication.md
observed 62b036b0c62c18b4c5a75329c88a749f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:41.691269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038461/publication.txt
observed 5616a5e63e86da45ccb60dfe009e88af...
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.