OpenTechnical

OT-2026-000033732

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000033732) never changes.

Identity and time

Publication numberOT-2026-000033732 · never reused
Internal UUID01a0ae75-a390-77f1-b78b-5eb3e25caa53 · 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-2026-000033732
StatusPUBLIC

Content hashes

Canonical text3d77bec35a065d7512ee014ef89c5a9a4dc021f708b01927d0c827126d24b51d
Markdown2edd967759516fb2628a57a8c8c6cfff947dc0515e4134e042d1cdd9ccbd0585
PDF
Publication page50c0fe6ce03ef81baa70baaa9c655afd6c81c0068cb96c785ca8f24b6a8f01f8
Manifest24e52282a92aabe783e7beb265459e575e392ab29edc23bc4df73dc072479ccb

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
SignatureGwYF2edBm2X3nQKmZrsMmFb4C7wukXbI6tpxAPwCILKjVc4SA8QL+eNddrUzvJZ38bZFzz3Cqu7/v13dv14kAw==
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

2026-09-17T11:31:44.265635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033732
observed 50c0fe6ce03ef81baa70baaa9c655afd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.248798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033732/manifest.json
observed 24e52282a92aabe783e7beb265459e57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.230703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033732/publication.md
observed 2edd967759516fb2628a57a8c8c6cfff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.212718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033732/publication.txt
observed 3d77bec35a065d7512ee014ef89c5a9a...
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.