OpenTechnical

OT-2026-000101676

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, 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-2026-000101676) never changes.

Identity and time

Publication numberOT-2026-000101676 · never reused
Internal UUID01a0aea4-0e16-7e3a-84e2-6f33a2df251a · 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-2026-000101676
StatusPUBLIC

Content hashes

Canonical text7182989e815eee388f81b9cde189a41cee086697d75169a2dd254272e8167781
Markdown3a689b1263c18bc933aa2df7816fafa7bea1058b95fd4802b482b75e2eb522dc
PDF
Publication page2751c17643d596cd3130c50ac4e9e08f8f512ab70ecc5c881202c3905423e2b0
Manifest6b13d4e85daf75c6b7206ab30f1d5bbb19bd5fc8b0785ef06b01daee6ba63047

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/tkXK227WhL5MF8ELMOtBJVyWGqyuxijnZej9GSqT8UvBqgdNYoqnxRfPrenYvIWRI1qxzZvVCvg5z2DF2OrCQ==
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

2026-09-17T09:25:37.999479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101676
observed 2751c17643d596cd3130c50ac4e9e08f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:37.981262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101676/manifest.json
observed 6b13d4e85daf75c6b7206ab30f1d5bbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:37.963471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101676/publication.md
observed 3a689b1263c18bc933aa2df7816fafa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:37.944600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101676/publication.txt
observed 7182989e815eee388f81b9cde189a41c...
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.