OpenTechnical

OT-2026-000029254

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000029254) never changes.

Identity and time

Publication numberOT-2026-000029254 · never reused
Internal UUID01a0ae73-2aa1-7870-9ad4-fc0f1516c1c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029254
StatusPUBLIC

Content hashes

Canonical text341f571e86620eef54f0bdd163b9ab9dae627d0082494d206a52528bbe76459c
Markdownbedca6ecd91ed5606035d09f9ee7118e7174b4a0569c2ba13908171c5a18daea
PDF
Publication pagec3dbde0bcb0ce74d3fabba66583518eef2a97b673d2b38b52abe03480648da43
Manifest3c9875b9478312151b6ec28e4cb25645b3257bff5af1611774f6e04cbd4e0616

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
SignatureVzv9Gwl15/qh8X/yd0tXhHDELVoGZpBnehwGk4vQtMZeaS3ASTlTVy5W8eRQDlJsl6ESw94ZbhVFFZVqaHR3CA==
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

2026-09-17T11:39:53.006721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029254
observed c3dbde0bcb0ce74d3fabba66583518ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.988325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029254/manifest.json
observed 3c9875b9478312151b6ec28e4cb25645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.969546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029254/publication.md
observed bedca6ecd91ed5606035d09f9ee7118e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.950267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029254/publication.txt
observed 341f571e86620eef54f0bdd163b9ab9d...
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.