OpenTechnical

OT-2026-000041591

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000041591) never changes.

Identity and time

Publication numberOT-2026-000041591 · never reused
Internal UUID01a0ae79-e8a0-7d25-a5da-074802528965 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041591
StatusPUBLIC

Content hashes

Canonical text7b22959c4079a16df967899e6940b0cd2fff7e81aab9bb19124fbd3bc1662cd6
Markdownffb2cffb4456206b23ae6ac83aed5bee0d320754186acf9ef5bc9f5b81b7fa55
PDF
Publication page6cf99f8fab9ae21103389159d644d7ccf1b4246939084bb317dfa2f8114a368f
Manifest784406c3bb3d875559680b37f6423f0f79285dbbffc964c0ec899b3a2c3d7c3c

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
SignatureGMYUd4lBz5IU1oA1y76hVdEwvOCOuDqk6CCGshBq4M9ySpcblF280Aj6SVjVTbp1toNbfnOSC7BJugWX0F+RDQ==
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

2026-09-17T11:16:22.833710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041591
observed 6cf99f8fab9ae21103389159d644d7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.813138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041591/manifest.json
observed 784406c3bb3d875559680b37f6423f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.795711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041591/publication.md
observed ffb2cffb4456206b23ae6ac83aed5bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.777136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041591/publication.txt
observed 7b22959c4079a16df967899e6940b0cd...
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.