OpenTechnical

OT-2026-000033247

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, pulsed blow-off before 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-2026-000033247) never changes.

Identity and time

Publication numberOT-2026-000033247 · never reused
Internal UUID01a0ae75-4845-7846-9a38-b3fdffe2a96b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033247
StatusPUBLIC

Content hashes

Canonical textfcd6e21358b3c60fb8d84778064f0bbe03df94e6a9d067c542bba54ebb512e09
Markdowndb148a1e9ba510064c36338208dee04872424f1e4ff0ccf71763f5c114d3ccd9
PDF
Publication pageb6a7bd09e398db6843df2965133941c0c0194a1daa65c3e1c60b420b523b4e30
Manifest752c37319157c7f6daf36cd6aeb3f2bc3328176b4f845c10f710a3e625a05dce

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
Signaturenhu/4waftEbcBEHJtGa4yXCD1Zrn9DGv7l1rFMQ0azLtREzsgQs99VGT5viBo8jqiuq6UarGLEe9YZYy3O35AA==
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

2026-09-17T11:32:57.426179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033247
observed b6a7bd09e398db6843df2965133941c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.409488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033247/manifest.json
observed 752c37319157c7f6daf36cd6aeb3f2bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.391940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033247/publication.md
observed db148a1e9ba510064c36338208dee048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:57.374134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033247/publication.txt
observed fcd6e21358b3c60fb8d84778064f0bbe...
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.