OpenTechnical

OT-2026-000033636

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000033636) never changes.

Identity and time

Publication numberOT-2026-000033636 · never reused
Internal UUID01a0ae75-a38f-7e31-86a7-d17d6ba015da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033636
StatusPUBLIC

Content hashes

Canonical text056e99d649f0bd029dad722b282b5845d805af0339fce74faf63c5d43e2bfbc6
Markdown5cf37b40c1f8659a5dfda94dc3690c2ec443f60ddf090a933f7371cc257e0e47
PDF
Publication page91d78bfc02de3b087381205a589f8af2db2cb808b6b3f97906e0774c09c3601e
Manifestc24e81b7118b66bd52fd3f646a61a8e89c704da3584705cfef0e3bcfb4b10e45

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
SignaturelGaLE7RNHfy1AKeowSSYgKfIFOr04M9j6H0OdQLEDz5eNeTRaIt3dD5X7unUajTZ1FpEEDq/B39nnZUktOk9CA==
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

2026-09-17T11:31:37.060139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033636
observed 91d78bfc02de3b087381205a589f8af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.022538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033636/manifest.json
observed c24e81b7118b66bd52fd3f646a61a8e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:37.004197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033636/publication.md
observed 5cf37b40c1f8659a5dfda94dc3690c2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.971813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033636/publication.txt
observed 056e99d649f0bd029dad722b282b5845...
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.