OpenTechnical

OT-2026-000101743

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, pulsed blow-off after 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-2026-000101743) never changes.

Identity and time

Publication numberOT-2026-000101743 · never reused
Internal UUID01a0aea4-0e17-79ca-8d4a-7a472c8d0327 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101743
StatusPUBLIC

Content hashes

Canonical text02e4dfd02d55f599087de0012f586d38ce310e83399cdc0d37cdff0ae4a15e07
Markdown9499c1a56ecde251405c206001ddd7e6cb6a8b474f04cb67b110c66e4186660e
PDF
Publication pageecb948a230b3b7e6e4dc45d6c8ed78d7da11f77541db54793852b225d931401d
Manifest491d17cda3164da907ad70bd77fe91f09d903152cc052c0581c209200e534d0f

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
Signature+HDm5bbS+ZrTf7PVv3/8DW9cQtdGJIPxxBYyyO1KCUCS3W/t5qdD/MMgaPTC2kRdOaidS3cH2kHJTbW3/Jl+Dw==
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

2026-09-17T09:25:37.520730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101743
observed ecb948a230b3b7e6e4dc45d6c8ed78d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:37.503360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101743/manifest.json
observed 491d17cda3164da907ad70bd77fe91f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:37.484230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101743/publication.md
observed 9499c1a56ecde251405c206001ddd7e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:37.464985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101743/publication.txt
observed 02e4dfd02d55f599087de0012f586d38...
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.