OpenTechnical

OT-2026-000032650

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000032650) never changes.

Identity and time

Publication numberOT-2026-000032650 · never reused
Internal UUID01a0ae75-1070-71df-a2fb-0fe238f4a1e2 · 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-2026-000032650
StatusPUBLIC

Content hashes

Canonical texta802d5579b83c7e3a077ac3e782f19bd8b7bca101202f7569e6ca317047c639a
Markdown5f30073408d3715a405f2c61daf15894db1bfb18d3b724339c7bc3d53c5b8719
PDF
Publication pagef61005f3e37d4c75645202f1ed254531d168b3b8b889b1580d5c7d2bf4ce0044
Manifestad6d8a0629d7550bdef12a270b979ae0379aa398cc53ab895f51a3d81be1b4e5

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
SignatureHtFekJ9IawnY2DuSAOxmbJ7X/trV3x2x3xhNDUrnz7s4R5yuhb+zVeIjD4LIC4fkzD+ddQcJi+tl7NKchrQtCA==
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

2026-09-17T11:34:14.611580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032650
observed f61005f3e37d4c75645202f1ed254531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:14.591547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032650/manifest.json
observed ad6d8a0629d7550bdef12a270b979ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:14.572157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032650/publication.md
observed 5f30073408d3715a405f2c61daf15894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:14.553765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032650/publication.txt
observed a802d5579b83c7e3a077ac3e782f19bd...
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.