OpenTechnical

OT-2026-000017818

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum 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-2026-000017818) never changes.

Identity and time

Publication numberOT-2026-000017818 · never reused
Internal UUID01a0ae6e-96fb-7753-9dd2-971a323758cc · 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-2026-000017818
StatusPUBLIC

Content hashes

Canonical textab83e3bbdd3eae802b1b367790787210865fa47af94dc5e8d37be7a67fa9084d
Markdown9cb72b4f3238589bd61764dd80daea41f1cc8ec220cee1b35bcae79a880bcb8e
PDF
Publication page08c4adc6a399105219685309cd53aed8d0d9b22106b493adfeb15cbea6a7c132
Manifestf55e81f58e5b43b01d447030d2db0aa3fea79ca1f6750993178a0dba9a3357e5

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
Signature1anhQtuZJh/WyzsbN6qfXXRTiiNiUbvyNRz/2w2zfNnyE3emewbGGI71etokRPnwuH3xipZo2Og8zyUV8/29BA==
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

2026-09-17T12:01:47.385561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017818
observed 08c4adc6a399105219685309cd53aed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:47.368175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017818/manifest.json
observed f55e81f58e5b43b01d447030d2db0aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:47.351848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017818/publication.md
observed 9cb72b4f3238589bd61764dd80daea41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:47.333637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017818/publication.txt
observed ab83e3bbdd3eae802b1b367790787210...
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.