OpenTechnical

OT-2026-000017612

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000017612) never changes.

Identity and time

Publication numberOT-2026-000017612 · never reused
Internal UUID01a0ae6e-96f9-7979-991a-9b329096c10f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017612
StatusPUBLIC

Content hashes

Canonical textf012e398628f6fd7f901abc26095b27ce57e51dd48deb6b43f75a6d6111c50d1
Markdown7bbd8f1be9e06eddeaa5b4f037b3d053b9137ace80fcf409a96aae781622124a
PDF
Publication page7a0f6b9a441350f118d278ca0381ba1fa69e0fdf2309c5acb43dffa3487d0f71
Manifest4adb165f28d544037f16ba1a96606e362b80bbff16b77a8113b1f91844b6c94c

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
SignatureqJXTjvTt8jo08Mlyn9NL0U22GDSunfjkff7ZWqKcnbzQ0y3maeHKxw7TrCBMBXDU/0BDl+DSLXG9FHN3so2FCQ==
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

2026-09-17T12:01:25.171401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017612
observed 7a0f6b9a441350f118d278ca0381ba1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:25.153180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017612/manifest.json
observed 4adb165f28d544037f16ba1a96606e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:25.131743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017612/publication.md
observed 7bbd8f1be9e06eddeaa5b4f037b3d053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:25.112814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017612/publication.txt
observed f012e398628f6fd7f901abc26095b27c...
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.