OpenTechnical

OT-2026-000091668

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091668) never changes.

Identity and time

Publication numberOT-2026-000091668 · never reused
Internal UUID01a0ae9d-43b8-7fd7-acdc-097ba80748c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091668
StatusPUBLIC

Content hashes

Canonical textce15ad316498c0e0ba5ef3ac99c20b0a3a84871bda92fe6210537c21aba94f3a
Markdownf43810f558aac653d0c9958ca0cbe937de7384069cde670f4f5cf850e90aaf35
PDF
Publication pagee7915efc42e7edbbc82edb126ff1672f0b39270b86cf0c62c4728bb5cb408489
Manifest84484614b01851e921e5228a595119dd40cb9b4c1f60cc815c4c84f34f38205f

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
SignatureQ13d3cn0Q+tA3oMhcefe7d59hixGoAj/1G5Lu/HyGcD0AyZn5bODATYB+IBDc2dMiJ5eEgZDTXh+jnwSSzZXCQ==
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

2026-09-17T09:42:02.752276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091668
observed e7915efc42e7edbbc82edb126ff1672f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.736653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091668/manifest.json
observed 84484614b01851e921e5228a595119dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.719444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091668/publication.md
observed f43810f558aac653d0c9958ca0cbe937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.701491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091668/publication.txt
observed ce15ad316498c0e0ba5ef3ac99c20b0a...
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.