OpenTechnical

OT-2026-000033472

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three 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-2026-000033472) never changes.

Identity and time

Publication numberOT-2026-000033472 · never reused
Internal UUID01a0ae75-a38d-7e36-9888-1224257d42f9 · 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-2026-000033472
StatusPUBLIC

Content hashes

Canonical text8c07bcbf2851c92004518256a4577a132a3db891ecf728cb02e601e32fb8d8d5
Markdown43701c17f5ec2c655bdd3af8140eab3854fc0b24e14592b02275f13382af7d86
PDF
Publication page09bde015eb7836cd5985390c67282b7fe7fb1e582e8dd366e0bae8ce77943c98
Manifest9421a0f3dd2dd115236e17e63e6537e168b3ac8758d2af7c190e90ef48392cff

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
Signature5W7GSi8q0//Bz68IG89tVzbOxo1C5woL0P2Rro62MmGh6mmhAxAntGxFUo+DLIlvwMUcRfLGOZa9Vb5idgKoAw==
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

2026-09-17T11:31:18.849945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033472
observed 09bde015eb7836cd5985390c67282b7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.833496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033472/manifest.json
observed 9421a0f3dd2dd115236e17e63e6537e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.816465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033472/publication.md
observed 43701c17f5ec2c655bdd3af8140eab38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.799337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033472/publication.txt
observed 8c07bcbf2851c92004518256a4577a13...
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.