OpenTechnical

OT-2026-000095123

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000095123) never changes.

Identity and time

Publication numberOT-2026-000095123 · never reused
Internal UUID01a0ae9f-8f6e-76ec-baac-48c3b2315abb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095123
StatusPUBLIC

Content hashes

Canonical text28be27464ef8e50d443c97eb8b846d512ed3919fe324fdf49be082e90bb35f88
Markdown20abf8bac459ac50b5b0931417c554a758674e810efbd51f53074e7e6ffbf5dc
PDF
Publication pagea218d246e5fe74070a6861f71487d0e14bf1fcc797c78e46da487b53aac613b3
Manifest4ad4adb34cbeb00c2c54804d76b8d5e5bd1c92dc5dda7d3a3fcb57b8eedad2c8

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
SignaturejPNL40XlrKOk2H2piaFCw+yK3W27JRaqQCwrDMWa+zfkAwOQi9wcG3NkarfcJVld8ORtJnq9nRVGleXCBUb1AQ==
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

2026-09-17T09:36:23.443850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095123
observed a218d246e5fe74070a6861f71487d0e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:23.374357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095123/manifest.json
observed 4ad4adb34cbeb00c2c54804d76b8d5e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:23.356489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095123/publication.md
observed 20abf8bac459ac50b5b0931417c554a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:23.274412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095123/publication.txt
observed 28be27464ef8e50d443c97eb8b846d51...
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.