OpenTechnical

OT-2026-000049755

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000049755) never changes.

Identity and time

Publication numberOT-2026-000049755 · never reused
Internal UUID01a0ae81-8fef-7ffb-b738-a9657e5fa145 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049755
StatusPUBLIC

Content hashes

Canonical text815077f68b87235b1b07c5ab4ce3719f2654e6e039a3a0aa258d50e284b84060
Markdownbc6100776d175f74b0f5ab2b1f8c4c4e6d47b8a739d8a702342ff52c826726d7
PDF
Publication page3d55dc667bd35f7db6093f2be49de989b72311317244b0199b0e070fa8ec4029
Manifest38646988c27b08a3d7568fe132f5bc25fdbb33296359ac5884dc6d4b54a226c1

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
SignatureD+Lm3e//E2loW+i0pX1dH1LGWjGpV3KXGhpIzHwB4yE11EQ4gj/xcdDXKwMPAOuc+YLxKQEZ01NbQ9d2jbYFCA==
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

2026-09-17T11:02:47.149437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049755
observed 3d55dc667bd35f7db6093f2be49de989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:47.130135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049755/manifest.json
observed 38646988c27b08a3d7568fe132f5bc25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:47.109560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049755/publication.md
observed bc6100776d175f74b0f5ab2b1f8c4c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:47.090911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049755/publication.txt
observed 815077f68b87235b1b07c5ab4ce3719f...
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.