OpenTechnical

OT-2026-000006919

Publication integrity record

Vacuum cup gripper, three stage ejector, pressure verified at each zone, rubber cups, oval form

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-2026-000006919) never changes.

Identity and time

Publication numberOT-2026-000006919 · never reused
Internal UUID01a0a96c-5083-7c9c-aa9b-afea42f7b636 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:54:03.142146Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006919
StatusPUBLIC

Content hashes

Canonical text44df32c4db593e457b18e74a42651c5a1e22bcfc4a2d7c6a7bab4e6adce39f45
Markdown2110eea11f187d036d448ff5609aca6e250a970fd1402cf1f75845491a920211
PDF
Publication pageaea1a95f9713c288e987102dc167b1489349aa9fd175013b7d62f863bc6d1342
Manifest06d84a33564fd2d30704be26d77c48329e487c75e286b1eee21e81070b02b267

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
SignatureNhl7Zyv7S7ry/dseMH3G2cT/Bw+dP+lWvsDn0ZE876WA6unmqlV7qhiWmU5rht45PPO/dqI+5aQrWnXp+zy2Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:21.993142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006919
observed aea1a95f9713c288e987102dc167b148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:21.981385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006919/manifest.json
observed 06d84a33564fd2d30704be26d77c4832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:21.968086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006919/publication.md
observed 2110eea11f187d036d448ff5609aca6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:21.954400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006919/publication.txt
observed 44df32c4db593e457b18e74a42651c5a...
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.