OpenTechnical

OT-2026-000045709

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000045709) never changes.

Identity and time

Publication numberOT-2026-000045709 · never reused
Internal UUID01a0ae7d-8f04-7c34-b0ab-b603f93fead2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045709
StatusPUBLIC

Content hashes

Canonical text05270110e1e897c44df692b5f6c2b1ca5a26203fdf0b20cd4792e2c2afaa4420
Markdown04a838ac00a71db6bd7a54049be8f82b40e149c6978977505547a700abfa4a07
PDF
Publication pagee11e2d8e51e70bc42336dcc4a42d492bd0ae4b47817b29caf930e7bfed2f0233
Manifest971b3040ee543bd0ed307d9c397a3aca54728a8b03913f14c7ac7b1a0ce587b9

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
Signature88BYY93LydHJergIhDJaMvbMTNx/r40O59svp8wy6aSpuYuy3R9vSax43puraRc55WiHF+IlDhgBrkLLp0MuAQ==
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

2026-09-17T11:09:31.095530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045709
observed e11e2d8e51e70bc42336dcc4a42d492b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:31.076811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045709/manifest.json
observed 971b3040ee543bd0ed307d9c397a3aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:31.059044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045709/publication.md
observed 04a838ac00a71db6bd7a54049be8f82b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:31.038139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045709/publication.txt
observed 05270110e1e897c44df692b5f6c2b1ca...
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.