OpenTechnical

OT-2026-000059039

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000059039) never changes.

Identity and time

Publication numberOT-2026-000059039 · never reused
Internal UUID01a0ae89-8611-78c2-947d-5ac73568ed31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059039
StatusPUBLIC

Content hashes

Canonical textdffe326de3e5d8f238fb592f23783824229335b7435ceb7e1e2d85ef39963b19
Markdownee1fd8c3f97f5d0e220cfc7300bd37a979fb3db008de175195b8cd898c92edd2
PDF
Publication pagef7c4f14710ff9a4abb5f720d0e2c53cd98138a3e3c1cb1a13a6c549b33df8b8d
Manifest97cab33793b121641dfec05802a3320db2862194d3b90be87ab71ffadd880cc3

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
SignaturewCHlqSCAiaLVtw3N5Tupg8+EO4NzplrsrAP6rV/bQMwN4P2ykKO91+X8r47skBbHgPn9GmMcCHTvrEjZ42/VBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:51.766893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059039
observed f7c4f14710ff9a4abb5f720d0e2c53cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:51.748100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059039/manifest.json
observed 97cab33793b121641dfec05802a3320d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:51.730166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059039/publication.md
observed ee1fd8c3f97f5d0e220cfc7300bd37a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:51.713618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059039/publication.txt
observed dffe326de3e5d8f238fb592f23783824...
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.