OpenTechnical

OT-2026-000019157

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000019157) never changes.

Identity and time

Publication numberOT-2026-000019157 · never reused
Internal UUID01a0ae6e-f391-7ff9-8f84-ea88dbcfc314 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019157
StatusPUBLIC

Content hashes

Canonical text59ae1c83558183adb37f21a2eaf3f49fe154a7c9781b12b4cccd4b36fb88b26b
Markdown03a531b57a27c3df0d3efd502faa2600c7b0fec177193ceb30199748da28deab
PDF
Publication page0f45a60746318ccba90da0bf0a36b7059aa2477a0508750ff00c945cb3267b63
Manifestdb61b2e351e17c6622985ac3633f1ead18c45723883ff7ae3c04fef3eb38eeaf

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
Signatureg9uOT/uGuW0Nhv1grUiLX3S1ntKq1Uu02TPhCaWp4dnJhQ+ir1KCoNW8sCG5+PWNATyvPR9xX/EFSfJ0uL9eAg==
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

2026-09-17T11:58:27.918782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019157
observed 0f45a60746318ccba90da0bf0a36b705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:27.898862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019157/manifest.json
observed db61b2e351e17c6622985ac3633f1ead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:27.880336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019157/publication.md
observed 03a531b57a27c3df0d3efd502faa2600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:27.860894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019157/publication.txt
observed 59ae1c83558183adb37f21a2eaf3f49f...
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.