OpenTechnical

OT-2026-000063236

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000063236) never changes.

Identity and time

Publication numberOT-2026-000063236 · never reused
Internal UUID01a0ae8c-94ab-7bfe-afb7-189e4fb0325d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063236
StatusPUBLIC

Content hashes

Canonical text734c36a956309a5fbdab5d7290a86ad83a2b1ea018396b114267db78466c8e97
Markdownceb329c9d888e7049cb11a003d13d6a4b74b7ce3f5ddffef7a80434483c062ed
PDF
Publication pageacdcbcb48172c765f7a90f8d8ac0283ebf79279976f8741a00abea09632d2e72
Manifestf25376a91daa0485875550e5e6f97acfa9e4a480ec6c60fe38f5a5601ca3eb4d

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
Signature6HinSrU0vOnb5Zs4eT0FbqzRQ+sQXyJ6BVJQNFL6JmbYhNv5oCWpzS+SPk/UgRN9b1DzCGRxW4UBJLsNsBz2DQ==
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

2026-09-17T10:39:07.051671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063236
observed acdcbcb48172c765f7a90f8d8ac0283e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:07.034304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063236/manifest.json
observed f25376a91daa0485875550e5e6f97acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:07.016401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063236/publication.md
observed ceb329c9d888e7049cb11a003d13d6a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:06.997290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063236/publication.txt
observed 734c36a956309a5fbdab5d7290a86ad8...
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.