OpenTechnical

OT-2026-000063730

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000063730) never changes.

Identity and time

Publication numberOT-2026-000063730 · never reused
Internal UUID01a0ae8c-f946-723a-81ed-7f5f80c98ecf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063730
StatusPUBLIC

Content hashes

Canonical text4f356d1b03669618d477748720e6e9599d3e84075812a508d0cdf009c572d1ea
Markdownff7efc093a6ecb87f4ad754d472b07b3ca65fd9d2bc15432155aa112833aa787
PDF
Publication page5abeb8d4b33039fbb0fadc86834e27a37a8191d4d77b59c8a779803616274ecf
Manifestb9cf42062139d39e2592e39e945cfd2010e613f3f4ff03b167ccf6b4e8160247

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
SignaturepwSywnSEXi5LZHodYtbxdLWYQZ3RJAzH46a6cj91cXtkjpr8cSs2Oh11YFLLqCz6O4sL0xJTPl2kpjmpipX9AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:51.555770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063730
observed 5abeb8d4b33039fbb0fadc86834e27a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:51.537813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063730/manifest.json
observed b9cf42062139d39e2592e39e945cfd20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:51.521258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063730/publication.md
observed ff7efc093a6ecb87f4ad754d472b07b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:51.501613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063730/publication.txt
observed 4f356d1b03669618d477748720e6e959...
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.