OpenTechnical

OT-2026-000090033

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000090033) never changes.

Identity and time

Publication numberOT-2026-000090033 · never reused
Internal UUID01a0ae9c-428e-7309-9337-ef0fa2127ca6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090033
StatusPUBLIC

Content hashes

Canonical text351f699e14b1dd8630e14fec1d276eb4256f4b1a7ab30815f26bfc88700ccc41
Markdowna4bfe104f1b04c2bb9639fa49bf2374b953b2dd55982e05e84976b57a40dbefd
PDF
Publication page40855a549af61248335f623c4b71e3dd5400fbc7e3e937d15bb17b9204c9ce2e
Manifest156f2bab2128d639ad8f18f8c7e8173ba9b9e34400db5c7fb35ba3b5609abe79

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
SignatureELMXD8Tg9oEossOGjVMwuBraQhzyzS1uyCWmjjafwujeTaBC/X3JEf05u2yhSeJ7V0oQK/nUJNf4YWdR3e9yAg==
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

2026-09-17T09:45:26.119952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090033
observed 40855a549af61248335f623c4b71e3dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:26.101897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090033/manifest.json
observed 156f2bab2128d639ad8f18f8c7e8173b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:26.084459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090033/publication.md
observed a4bfe104f1b04c2bb9639fa49bf2374b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:26.068977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090033/publication.txt
observed 351f699e14b1dd8630e14fec1d276eb4...
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.