OpenTechnical

OT-2026-000050299

Publication integrity record

Foam pad vacuum gripper, two zone face, four 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-2026-000050299) never changes.

Identity and time

Publication numberOT-2026-000050299 · never reused
Internal UUID01a0ae82-5c46-76dd-85ea-20acf18877b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050299
StatusPUBLIC

Content hashes

Canonical textbc7c450a8c879d08d792001c42b9d0f45f5b2aa33a41844af5c61a523ccfec3e
Markdownee563970397045f6982669f4571cef190d938cceb56a7510fa58afe90222c1c8
PDF
Publication page10acf0e7a7c6b53cf966639ad8e283bd1119fe38d762bb76e03bf434e0883d66
Manifestf9b1f831283d434a282c9377b47bea5b2d0510b2fdf0e11a9f95d8f9ccdd3ca6

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
Signature6D6saZ4cpcGF6X1iXupjL5TnS4JijkYlqyYd/6l/IWhc2s/K4KbACI5DLJchBz9kURgzI0l+CPs/Mkn10R5IDQ==
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

2026-09-17T11:01:18.403550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050299
observed 10acf0e7a7c6b53cf966639ad8e283bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.385639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050299/manifest.json
observed f9b1f831283d434a282c9377b47bea5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.367822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050299/publication.md
observed ee563970397045f6982669f4571cef19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.350412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050299/publication.txt
observed bc7c450a8c879d08d792001c42b9d0f4...
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.