OpenTechnical

OT-2026-000090066

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000090066) never changes.

Identity and time

Publication numberOT-2026-000090066 · never reused
Internal UUID01a0ae9c-428e-7bd4-8480-1171eec52f55 · 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-2026-000090066
StatusPUBLIC

Content hashes

Canonical text015af755872f350ed016913f923b1cdb0103ff0153414b8d6c5ee19be91de430
Markdown6db0b9f2c4fd318e4972b4fd6c712292d9291c479b16c0bb29d5b2be1a53f09d
PDF
Publication pagebc8fad481f7fa9f8683af52e675aef2e8ba98cac679064e68b9656bae33c3cbe
Manifest9ad0464349f900a22a940ba91fba4e52183acec85613aa48a4b68e6e15a37d5a

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
SignaturejJbV/RtFELo74NpeF1JGkpjiYX03K/tLhdXqvvZpFpuoQDTkc5+PbUc0SW3MgFQsCG+vJrqxg9vSEU4qXV8GDQ==
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

2026-09-17T09:45:28.738004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090066
observed bc8fad481f7fa9f8683af52e675aef2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.719948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090066/manifest.json
observed 9ad0464349f900a22a940ba91fba4e52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.701531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090066/publication.md
observed 6db0b9f2c4fd318e4972b4fd6c712292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.682197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090066/publication.txt
observed 015af755872f350ed016913f923b1cdb...
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.