OpenTechnical

OT-2026-000091947

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000091947) never changes.

Identity and time

Publication numberOT-2026-000091947 · never reused
Internal UUID01a0ae9d-43bb-7077-b440-395832ea4cb4 · 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-2026-000091947
StatusPUBLIC

Content hashes

Canonical textdedd5a9ea784dcdb32cef6739aa3040aa275356d408247661a59f56544a888d2
Markdown930fc412418907819f6017242ba702e9dbaaf2d2cdcca431ec92db27d15948a8
PDF
Publication pagedf6e0405c7122debe8dec7cd2670d32286b54ec2a1785f39578db02f21a80579
Manifest43d80f15f8887b06267b1c95d8c1ac5fdf5515639918e0eb353045ea6568af92

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
SignaturegUJeJWviVHoFtFllWSlp9P7tHayTrbQy0Jk7EzTKWb/domRsebMvga9XzDrHOZCAAUXPFLp3W+bv9q81xV3SDQ==
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

2026-09-17T09:42:53.775461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091947
observed df6e0405c7122debe8dec7cd2670d322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:53.757393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091947/manifest.json
observed 43d80f15f8887b06267b1c95d8c1ac5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:53.740300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091947/publication.md
observed 930fc412418907819f6017242ba702e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:53.723796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091947/publication.txt
observed dedd5a9ea784dcdb32cef6739aa3040a...
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.