OpenTechnical

OT-2026-000049673

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000049673) never changes.

Identity and time

Publication numberOT-2026-000049673 · never reused
Internal UUID01a0ae81-8fee-790f-a2bf-32a246f058e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049673
StatusPUBLIC

Content hashes

Canonical text4ac9c33a33782dcae4a0cca3cb58f1b7bd14b7d23939ceb9160c1e05b1db0bba
Markdown7ab5720574afa5544bbce1696965f40fc5c0b5b3403adb23c718055044c3aaf4
PDF
Publication pagef97c2673e97d949d695488da515a7543c0ca39bc05bd873e706b5db946d971f9
Manifest4d97c062729c02ef6cb71e5b1c0a53ed5c0c66ec23d38d64a62cef961531cecf

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
SignatureA3Nm+zeTQ4qlI1yxAtmJRm2/McYK6NBlWdT74eMXzWIuX+LDD754Kb0QqrcfpD4+2VigqfAXlKRS7a9CjluLCg==
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

2026-09-17T11:02:40.713430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049673
observed f97c2673e97d949d695488da515a7543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.695209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049673/manifest.json
observed 4d97c062729c02ef6cb71e5b1c0a53ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.675632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049673/publication.md
observed 7ab5720574afa5544bbce1696965f40f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.657246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049673/publication.txt
observed 4ac9c33a33782dcae4a0cca3cb58f1b7...
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.