OpenTechnical

OT-2026-000101200

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000101200) never changes.

Identity and time

Publication numberOT-2026-000101200 · never reused
Internal UUID01a0aea3-c378-7b5a-ace1-bd91acbbeb92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101200
StatusPUBLIC

Content hashes

Canonical text804d9a168b501ad9ea0632d316049819e0257f1c3ebd27385621384325d94137
Markdowne23c0428c628468ebdeadebf0185e7238df6cff8ffbe4ce9806a927c457201a8
PDF
Publication page012e057c09bad8064749877b03017c79ef7b78fc70b9452e368c7d71995fa5ec
Manifestd5c8211a62c1a43ff039481c7c07f88c1e83d1ae6a730f1c9997f996cc3d7114

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
SignatureFfA2jjyi+Pla2EKN2hR32FoS3bWt6V8M1ZyP2I8Xw3qTm5ivDwkufuQim14TwqbU3PQ3jg1DwU5i+fziIcbqCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:51.046906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101200
observed 012e057c09bad8064749877b03017c79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:51.026784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101200/manifest.json
observed d5c8211a62c1a43ff039481c7c07f88c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:51.007609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101200/publication.md
observed e23c0428c628468ebdeadebf0185e723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:50.988554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101200/publication.txt
observed 804d9a168b501ad9ea0632d316049819...
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.