OpenTechnical

OT-2026-000089079

Publication integrity record

Two cup vacuum gripper, two zone face, six 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-2026-000089079) never changes.

Identity and time

Publication numberOT-2026-000089079 · never reused
Internal UUID01a0ae9b-daff-7c76-be3a-8cbb12bdcae4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089079
StatusPUBLIC

Content hashes

Canonical textdec507914e8d6f8954c4b9ad7f86ca10c129a32a0b54b4cb85942f8bf2a21eda
Markdown4ac08de7cf301e5339e56ef9fa0d7d2702bafcebefd4c61b89be087f26cbd189
PDF
Publication page7ce80148ad6d98b8cd789baa1f0f0e0dfa20e919eb517026acce2d4670b40331
Manifest0726683feaea0fdbc284f0aa3cd79149d8670cf2dfc6bbefd300315fe21c38cd

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
SignatureE16F1nrE7zDN61b9QQR8+si7RlA1J1JF9ifdtbuIM7NAW/31jh4YervO0/7zWNgpUiyfKzSg2iQgFekKiLZeDg==
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

2026-09-17T09:46:58.939408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089079
observed 7ce80148ad6d98b8cd789baa1f0f0e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.921357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089079/manifest.json
observed 0726683feaea0fdbc284f0aa3cd79149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.905010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089079/publication.md
observed 4ac08de7cf301e5339e56ef9fa0d7d27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.887648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089079/publication.txt
observed dec507914e8d6f8954c4b9ad7f86ca10...
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.