OpenTechnical

OT-2026-000076553

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000076553) never changes.

Identity and time

Publication numberOT-2026-000076553 · never reused
Internal UUID01a0ae94-b06d-7dbb-aad5-59612bbb876f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076553
StatusPUBLIC

Content hashes

Canonical text462daa64f9d43c6550affc46617eb402c8bf846f825309ee8cde54a72073ca0d
Markdown1ca76f1559bea7e0ec7318366c301e197cf895611e6c93c67217fcc2a62586a8
PDF
Publication page4062d9a26f9838bb621c253467cbe8c074b03ed8be28f21f0c49225a343e3ecd
Manifest998143ab0dc0711274ff13ede2b2e71c0e05fb74777ad7104864c513f7018e29

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
Signature2HBt7PEozKdViZmjkjIlSkpsAHq/OkUrSxNG/z/rFdHwwkFU+Gh5VUU/j/zAKTQ8M5TsbG5wyjSNzXo+iYgSAQ==
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

2026-09-17T10:09:16.125520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076553
observed 4062d9a26f9838bb621c253467cbe8c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:16.106917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076553/manifest.json
observed 998143ab0dc0711274ff13ede2b2e71c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:16.088583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076553/publication.md
observed 1ca76f1559bea7e0ec7318366c301e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:16.070064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076553/publication.txt
observed 462daa64f9d43c6550affc46617eb402...
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.