OpenTechnical

OT-2026-000103545

Publication integrity record

Three bellows cup 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-2026-000103545) never changes.

Identity and time

Publication numberOT-2026-000103545 · never reused
Internal UUID01a0aea4-e461-75f4-bf74-d3e40b9d4643 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103545
StatusPUBLIC

Content hashes

Canonical text1b7ad653fda6db12b3b831b8bc5cd75888bc37fc0eae3b9c313a29626650138e
Markdown08c1d48c6fa7ef80c681fee08973210d8fdb56af8f35eb7fff4df2e2ad7c7af9
PDF
Publication page8cf35865aa63f04165b6af92e2b027ea61fbde5fd6d9ade431ee60fea8eac864
Manifest468b0f31bb2c48416329bbe307e7d4db357500a488353acfb7af4912fb18b692

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
Signaturek4Tvp+FhGL4xqtX9dEE333sv5qblgSHRzsnsor8l0GI6VAw/cIR3dRlqwm6z1G973iETOhm6z/Yy8vpsqkSwCQ==
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

2026-09-17T09:22:19.319819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103545
observed 8cf35865aa63f04165b6af92e2b027ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:19.304461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103545/manifest.json
observed 468b0f31bb2c48416329bbe307e7d4db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:19.287523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103545/publication.md
observed 08c1d48c6fa7ef80c681fee08973210d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:19.269908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103545/publication.txt
observed 1b7ad653fda6db12b3b831b8bc5cd758...
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.