OpenTechnical

OT-2026-000086882

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000086882) never changes.

Identity and time

Publication numberOT-2026-000086882 · never reused
Internal UUID01a0ae9a-80a4-7c00-ac77-92b6e40f5fc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086882
StatusPUBLIC

Content hashes

Canonical text7565a423c9cc33152c65e7e4773712fa9726f622ee3086381f98a6242dade4f4
Markdown853ee72f37e805cd0dd140268e4bfdffb099fe544b84e4ead77f5e8f144c2d9d
PDF
Publication pageb0b383db4a4b2ce07a0f399c02a6fc83b5b4b586955d264a422ed147a970ce97
Manifestb1dcf40a92f35c945451df24f602d7025f5580bed6de9f88bf0ae8b83590f2fd

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
Signatureuz9iIUxa7KyazOlZrDunv02FKududrgXCfzDJk0k74LDdlzWO42u6H+gjvIZvXblUGS2NElK/g0e4zus8XZ3Cw==
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

2026-09-17T09:51:43.669744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086882
observed b0b383db4a4b2ce07a0f399c02a6fc83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.652616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086882/manifest.json
observed b1dcf40a92f35c945451df24f602d702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.635793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086882/publication.md
observed 853ee72f37e805cd0dd140268e4bfdff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.617383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086882/publication.txt
observed 7565a423c9cc33152c65e7e4773712fa...
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.