OpenTechnical

OT-2026-000091469

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091469) never changes.

Identity and time

Publication numberOT-2026-000091469 · never reused
Internal UUID01a0ae9c-f16d-7042-9cf9-13428edcfb7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091469
StatusPUBLIC

Content hashes

Canonical textfae75bf16801bb76e26d68487331cc9bcca9afc5224b46c4481662d05c77c55a
Markdown68304e904eb04434e46a83e02d40ffe03ba2d747afc4db4430b5ed27718973bd
PDF
Publication page671843dd23a4bdce04667e7788f357c07363776ecdc739cb417e81c947f2a967
Manifestafa8edc4e7ee722242e9db853c581a6d759eae3e08b17415e6ba0db7a6ec2f9d

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
Signature7zLrvFlh79EEZNg3yiP93WYOrG/l8ZNMtTV5J8tF/hVCwhU6Weus3VCdgAKdASrcLLVvpLspR3PXk/AetENUDQ==
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

2026-09-17T09:43:43.245481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091469
observed 671843dd23a4bdce04667e7788f357c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:43.230003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091469/manifest.json
observed afa8edc4e7ee722242e9db853c581a6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:43.215315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091469/publication.md
observed 68304e904eb04434e46a83e02d40ffe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:43.197379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091469/publication.txt
observed fae75bf16801bb76e26d68487331cc9b...
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.