OpenTechnical

OT-2026-000037531

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000037531) never changes.

Identity and time

Publication numberOT-2026-000037531 · never reused
Internal UUID01a0ae77-b8ce-7f86-bde3-50ef0a0c71a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037531
StatusPUBLIC

Content hashes

Canonical textd23e062bae494395a1385efbe745906c9d27f0f0f8b7836ad7a5d782c501a626
Markdownb44b4944118d92f6d7297ef4f09c73ba175ae7e3cd16d0de7a25d6f208b0f8d5
PDF
Publication page3b6eda988e551cb1bf7fdf12c396b6eaaff81848262557fe587542e95cc4c7da
Manifest0b713acca04887ea859eb71e51e0963311031ac2e1d813de79417a8984e93fea

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
Signature7zJQtDpWBO8H5uEoXS3ORFtYpjDWKJB5h2ik/97eY94Sga3IwGHWN2/3CLA18gkoheMTad/C4RdL5y5lonP5BA==
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

2026-09-17T11:24:03.994163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037531
observed 3b6eda988e551cb1bf7fdf12c396b6ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:03.976301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037531/manifest.json
observed 0b713acca04887ea859eb71e51e09633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:03.957413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037531/publication.md
observed b44b4944118d92f6d7297ef4f09c73ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:03.939329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037531/publication.txt
observed d23e062bae494395a1385efbe745906c...
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.