OpenTechnical

OT-2026-000007689

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000007689) never changes.

Identity and time

Publication numberOT-2026-000007689 · never reused
Internal UUID01a0ae62-76be-71b3-8a62-315875dc2b35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007689
StatusPUBLIC

Content hashes

Canonical text609b7aa5f4b661919e1c2f9142fcb657b5dcdc89d41838370c5a40f3f466f991
Markdownef08a1ab251efd6071ce8c7015947e988355fd424b3357af5a25114f0b489292
PDF
Publication pagea42d2bbb1fd136957b7dc1c5d48da28420966962ee0905b4469fb8fe6661f647
Manifestfb9646d289d35767668b474c5a1af36f66e8abb08c67c0af83cb5c6760f02029

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
Signaturemfjgj8zhUoT6bGr3NLZC3F4pTLpUyKjyrgZyXLQuWOcXC6LQpc3zZAdJz4tWqw9vZfzWnmCZLfjZAZu6VggeDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:19.097159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007689
observed a42d2bbb1fd136957b7dc1c5d48da284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:19.079606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007689/manifest.json
observed fb9646d289d35767668b474c5a1af36f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:19.063467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007689/publication.md
observed ef08a1ab251efd6071ce8c7015947e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:19.047088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007689/publication.txt
observed 609b7aa5f4b661919e1c2f9142fcb657...
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.