OpenTechnical

OT-2026-000085914

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000085914) never changes.

Identity and time

Publication numberOT-2026-000085914 · never reused
Internal UUID01a0ae99-e82a-7627-af61-43025b1ad7ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085914
StatusPUBLIC

Content hashes

Canonical textd50ec9c9f09804fecf1a90da017f69e536756297cb249c78f638c1c1e367b6b5
Markdowna31b407c6b34a506ab7b28200b6ac22071f8acb873f01190423c46ce4ea7515d
PDF
Publication page8fd6702bdd5376c8a009e37e177e4203b92686bac307d9efe66918d3c665a8b4
Manifestca02936a82272dc85cc11b4d5fd1c233eeed494ff7806371c76fe2b9b0bc02f3

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
SignatureROMo/2eYfksdk3RXEplgrZEbpuosHXzShL8Sp4LXsdNFWkmQSLQm2xVjh2PlOlyf2p2bM2coFB/j1TB2wQXqDA==
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

2026-09-17T09:52:51.682623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085914
observed 8fd6702bdd5376c8a009e37e177e4203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.667035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085914/manifest.json
observed ca02936a82272dc85cc11b4d5fd1c233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.650535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085914/publication.md
observed a31b407c6b34a506ab7b28200b6ac220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.631787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085914/publication.txt
observed d50ec9c9f09804fecf1a90da017f69e5...
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.