OpenTechnical

OT-2026-000038441

Publication integrity record

Single cup vacuum gripper, three stage ejector, 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-2026-000038441) never changes.

Identity and time

Publication numberOT-2026-000038441 · never reused
Internal UUID01a0ae78-2d53-78e8-9708-e97cd30e3ba5 · 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-2026-000038441
StatusPUBLIC

Content hashes

Canonical text271d9b25397a56db6051ad6d7386a604ba31c252e88c4700fad6b10854d62011
Markdownb4b8d384e24d5f6ef4ed05b796dd15b5e04ffe472d39fe3093bcb9fb14c75b44
PDF
Publication page089863f92fac1f21b6356487e4610d7a52e5458da29f7aadb07b8acf10bcf626
Manifesta20403c684cb784473251a940ebe814029d60fa7e687d6b9b0051ddd5ff7c8d9

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
SignatureNtiwBAYfdgozOqo/nc1vysIpP8ppQ+qtmUFHygqazTnhRLzZLqYHayEAhu6npSyEkrAtCPPbd/3V3sre8dwcDw==
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

2026-09-17T11:22:40.195726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038441
observed 089863f92fac1f21b6356487e4610d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.177998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038441/manifest.json
observed a20403c684cb784473251a940ebe8140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.158527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038441/publication.md
observed b4b8d384e24d5f6ef4ed05b796dd15b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.138797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038441/publication.txt
observed 271d9b25397a56db6051ad6d7386a604...
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.