OpenTechnical

OT-2026-000101439

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000101439) never changes.

Identity and time

Publication numberOT-2026-000101439 · never reused
Internal UUID01a0aea4-0e14-77eb-945e-582734ce6de8 · 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-2026-000101439
StatusPUBLIC

Content hashes

Canonical text24a9b1cd0d34f63728161abf71ebd7a2872ac9c3c5add90f161b45b502800d82
Markdown195bef17ced562e39859d7eb0cbc8d5d433cee4165672e6df3c9fc58e01ce3b8
PDF
Publication paged8af7255eb841ee52195f8417c1f3c7ba66412e386b48f9299af80a17e0f5811
Manifest1e4fbc7b7d3cc15160bc144fa62f5c1c0023b94cbdc0fc8a6f63bb5f28c90223

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
SignatureyJMWJGPhga7sOxx0jWx9WJEznliOzj3udp6z/TZLb31JiIOOedi2aRES93W4f8JWQzs4QCQ2teDp7Abm4bgFAA==
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

2026-09-17T09:25:59.951007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101439
observed d8af7255eb841ee52195f8417c1f3c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:59.933004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101439/manifest.json
observed 1e4fbc7b7d3cc15160bc144fa62f5c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:59.914718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101439/publication.md
observed 195bef17ced562e39859d7eb0cbc8d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:59.895677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101439/publication.txt
observed 24a9b1cd0d34f63728161abf71ebd7a2...
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.