OpenTechnical

OT-2026-000084644

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two 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-2026-000084644) never changes.

Identity and time

Publication numberOT-2026-000084644 · never reused
Internal UUID01a0ae98-e25c-75a5-b139-ed3a1f6588a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084644
StatusPUBLIC

Content hashes

Canonical text1eee0b3bcd46fb75f7153dfb5dfacfee32a307842f5f29584c8d47eeceb3498b
Markdown939d574aafa6babe08d9afc1bc462954589cbb1931d9449288af0b677d787ebb
PDF
Publication pagee25d92bc5a8ffec848e3a7228803838e6db524415474cb2e215d3fe32d2f9878
Manifest1ca51cbea924b4dc5d3a4424cbafd7d30d1962b18a61e74350e00a26d9d17626

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
SignatureD54rmQdh4IDVK3A9JQN9htKIzQdtawyaNSxYm18HR5k/geveCFuEuvKPiLj4X7y8EA5zlJLYZNR6sWTCXx9WAQ==
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

2026-09-17T09:55:33.771095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084644
observed e25d92bc5a8ffec848e3a7228803838e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:33.754201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084644/manifest.json
observed 1ca51cbea924b4dc5d3a4424cbafd7d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:33.736750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084644/publication.md
observed 939d574aafa6babe08d9afc1bc462954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:33.718990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084644/publication.txt
observed 1eee0b3bcd46fb75f7153dfb5dfacfee...
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.