OpenTechnical

OT-2026-000070131

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, supply line 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-2026-000070131) never changes.

Identity and time

Publication numberOT-2026-000070131 · never reused
Internal UUID01a0ae91-1862-7fcd-b646-2692b3ca5505 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070131
StatusPUBLIC

Content hashes

Canonical text4529f4952bb92968392e14810d55e366d2e9e37212b3b244a6d0c2eb7a80e1e0
Markdown62f39f2508f313dd859f665d33a773e3bca356e8a0433cb22d7b1b1f346985a7
PDF
Publication page49fe5c31e71eba2db8f04f94590e7f25fe995ffcb0480e41a90aff3ae5e010ac
Manifest4ebbe61367d87010c4d3e17c1edf063b389192bcc819429134a72a673d770cf3

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
SignatureeCyTKDMb4Vv0ctttRXY5xRocGMmYEuclYx+kKf0Q6TVyWX5xEui3PrNPkF1DSLS+hI21VuXgohz07vcFbKYdAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:27:10.392361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070131
observed 49fe5c31e71eba2db8f04f94590e7f25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.371899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070131/manifest.json
observed 4ebbe61367d87010c4d3e17c1edf063b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.353560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070131/publication.md
observed 62f39f2508f313dd859f665d33a773e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.335385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070131/publication.txt
observed 4529f4952bb92968392e14810d55e366...
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.