OpenTechnical

OT-2026-000053736

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000053736) never changes.

Identity and time

Publication numberOT-2026-000053736 · never reused
Internal UUID01a0ae85-735d-77e4-9152-05b4c6907989 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053736
StatusPUBLIC

Content hashes

Canonical text7aaf47c0814f9696729c861b395ebd4b6aa13131cf6175e9fbf4696a58d609bc
Markdowna2ede5eda38a8398dcec5e8547a42f01c6f8ec89d2202c5d0006f52e82639673
PDF
Publication page5eab2c7be7fb9b3dc0fe14705ba4249d31764bef13cd7a55870e6bcf1cba3f7e
Manifest456a913a555dfe0cba72d151d9fa7ae12c83a4135dcc1a2aaac869d88e2d682a

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
SignaturevC8gwGu2Fmw23IrAw61N5lJJFFozE2UMARPR3mEd5isLpT29cZu9JCYKASGDMdTkme5O2bOnY0iqko1Wo892CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:19.740043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053736
observed 5eab2c7be7fb9b3dc0fe14705ba4249d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:19.722893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053736/manifest.json
observed 456a913a555dfe0cba72d151d9fa7ae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:19.581029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053736/publication.md
observed a2ede5eda38a8398dcec5e8547a42f01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:19.564112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053736/publication.txt
observed 7aaf47c0814f9696729c861b395ebd4b...
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.