OpenTechnical

OT-2026-000064606

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000064606) never changes.

Identity and time

Publication numberOT-2026-000064606 · never reused
Internal UUID01a0ae8d-deb8-7549-8cb1-26a21ae8a5f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064606
StatusPUBLIC

Content hashes

Canonical text831d8f9c5f6da6bf3147fcfc0f9d8c7aafc4ce429eeccbbf684e99869d80a8a3
Markdown1e70bf64b03b58fb70cfbe858afaeb87d9eb3dca4a8a9d4fdd45649783b22623
PDF
Publication page429f4d4427ea5e30db169087a0c0194b78d6f848fe11525399c572aa29486529
Manifestea4c1f52327d4f5f147a3ac7f29693c4beab024968c4b9f5d4a795d281780f5b

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
SignaturebHQ4k4mu3rFlhkgq4RlV+uFrohrzuEoq2s2L6egiwAuFvDaP1SOwkfRPAwcME4d9it6cRoMB2/NmKCPCgOqWBQ==
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

2026-09-17T10:35:22.871412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064606
observed 429f4d4427ea5e30db169087a0c0194b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:22.854294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064606/manifest.json
observed ea4c1f52327d4f5f147a3ac7f29693c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:22.836734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064606/publication.md
observed 1e70bf64b03b58fb70cfbe858afaeb87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:22.820688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064606/publication.txt
observed 831d8f9c5f6da6bf3147fcfc0f9d8c7a...
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.