OpenTechnical

OT-2026-000009909

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, vented 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-2026-000009909) never changes.

Identity and time

Publication numberOT-2026-000009909 · never reused
Internal UUID01a0ae6b-cb78-72b3-9694-954a14f6ea90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009909
StatusPUBLIC

Content hashes

Canonical text0c659a55fba1dd1dcd216695f62b33f72fa096dd22146c45ee214b20d70be5cc
Markdown821fc85c835df27e24b6c6602915086b4992f8b21111dc295d2fda42b1506b73
PDF
Publication page7d45d655ef931ce8b9c7e84f8e55a4c4b18be1c3a3310f1fbc7414a89994b07d
Manifestd3c6113c6f62bf44ce64d5f95d05916895e40b31aabf23aa301719c06f9156eb

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
SignatureyYVObCA6pQH9eOFLoQcucsErh2zkR9wkBddqto4q9DA3sCdMvLV0yS3HCZ9IY+2BWCMMXaGSfH2gnU0PvB6LBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:55.457154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009909
observed 7d45d655ef931ce8b9c7e84f8e55a4c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:55.433115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009909/manifest.json
observed d3c6113c6f62bf44ce64d5f95d059168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:55.415643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009909/publication.md
observed 821fc85c835df27e24b6c6602915086b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:55.394967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009909/publication.txt
observed 0c659a55fba1dd1dcd216695f62b33f7...
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.