OpenTechnical

OT-2026-000020737

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000020737) never changes.

Identity and time

Publication numberOT-2026-000020737 · never reused
Internal UUID01a0ae6f-65e2-7110-a57e-8556c9e533ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020737
StatusPUBLIC

Content hashes

Canonical text25e7a8f68c33898180dcd7291590d21cb3743fd8167e5cc12f50b10d94d5bc9c
Markdown7c856e9a567b79da63563efd28b9e55fdf9733e984bb518e93b49aa087215047
PDF
Publication page033202c74377449b9785f5a70cf6f750a9c34dc794cebb4ad94db6fbc12dc4cd
Manifesta07ff8e2b9f0a4e14be87b598a9f75b139f5fe013f03304e918ad19edb14ee2c

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
SignatureJSgsxZqAYTPdTnxL1o5HnYybHNWYe+GL8N5axM0vZGA8l5KtAdB3Omn/MgA+L/wP66JDiMjDSastbcM9sy69CA==
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

2026-09-17T11:55:47.999363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020737
observed 033202c74377449b9785f5a70cf6f750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:47.981684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020737/manifest.json
observed a07ff8e2b9f0a4e14be87b598a9f75b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:47.963575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020737/publication.md
observed 7c856e9a567b79da63563efd28b9e55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:47.945779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020737/publication.txt
observed 25e7a8f68c33898180dcd7291590d21c...
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.