OpenTechnical

OT-2026-000032461

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000032461) never changes.

Identity and time

Publication numberOT-2026-000032461 · never reused
Internal UUID01a0ae75-106f-760b-80f7-25cfb325176c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032461
StatusPUBLIC

Content hashes

Canonical text11024350adad94560e00712bce312c8d6df9fcc35588e65cf25c5b3224306cc6
Markdowne40321e5907d0b427914f3ac731e131e0500823a9573ac2ed38fff01f03a8bc8
PDF
Publication page9b19e841e6a4be69fbf2651b47517ec40fd5a499ad7dd00a41c0f731d9d844e3
Manifest41a0a1e2c2fb2df6b932c9e7c95bba3f298ae66f9b01ecd99b043eb18fa6e13e

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
SignatureMBBSUqjx7wIttGYN9ziif/uPL6FmaBJZSI9J2RmT+3qKFpgiFtiRPp+b5Dg1hv607icn5SKDHi0FBH+HbqGqDA==
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

2026-09-17T11:33:53.480747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032461
observed 9b19e841e6a4be69fbf2651b47517ec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:53.462467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032461/manifest.json
observed 41a0a1e2c2fb2df6b932c9e7c95bba3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:53.444171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032461/publication.md
observed e40321e5907d0b427914f3ac731e131e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:53.425750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032461/publication.txt
observed 11024350adad94560e00712bce312c8d...
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.