OpenTechnical

OT-2026-000010756

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, vented 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-2026-000010756) never changes.

Identity and time

Publication numberOT-2026-000010756 · never reused
Internal UUID01a0ae6c-0ee8-7f02-aa77-af10880ac371 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010756
StatusPUBLIC

Content hashes

Canonical texta83aa3a44d8b14e0d2111878c23461b34d3807e2206578bb352fa795fb620386
Markdown065797bdfc90efcad72ce14b8f4c85166939c50a64f727f335025f15fc67ac57
PDF
Publication page0035ee3de94841c51cdd9b46dc854ec1a9425bc9211564da0326fe914d936ca7
Manifesta6694acc7da9783b53b73661d77ef2905f3cdb792699546c5adfde8933c2c08d

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
SignatureGQgPimUQl/jTkleP5yODrisLsSSyGUFYAqQuBYb8U/UvUGQIND0r6hU3hyQnTVt/4U+SxO2c7/0I+NEo5oZoDA==
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

2026-09-17T12:14:59.441925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010756
observed 0035ee3de94841c51cdd9b46dc854ec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:59.422816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010756/manifest.json
observed a6694acc7da9783b53b73661d77ef290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:59.404361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010756/publication.md
observed 065797bdfc90efcad72ce14b8f4c8516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:59.384108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010756/publication.txt
observed a83aa3a44d8b14e0d2111878c23461b3...
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.