OpenTechnical

OT-2026-000062562

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000062562) never changes.

Identity and time

Publication numberOT-2026-000062562 · never reused
Internal UUID01a0ae8c-0ac1-7a2f-9552-4e00137b73fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062562
StatusPUBLIC

Content hashes

Canonical textb8bfa9e473f6f64df60c2029cc35c5ea6abef36959cb420303fd11b5de13884c
Markdown2941fa3b2a7f2d55ba562a690542b67a5ef7f4be61334df1c253c707301468e5
PDF
Publication pageb0487d68754e791efabe2e43d5f610f585411ae498d92157d627a11cca378fcd
Manifest7809af9c2496db53073b87c045e6e9b0d3dcaa472d08ee492c3f2535b3ee9fea

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
Signature0bKnsIqjzPdv/1wJRAnddh6Md0fDSgEsK9vG8SlIX6Xkrv9ZDVR/budMjG2O5D+wCmXb6Lr+m7rlRB0+edamCA==
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

2026-09-17T10:40:02.418013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062562
observed b0487d68754e791efabe2e43d5f610f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:02.394818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062562/manifest.json
observed 7809af9c2496db53073b87c045e6e9b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:02.373797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062562/publication.md
observed 2941fa3b2a7f2d55ba562a690542b67a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:02.353754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062562/publication.txt
observed b8bfa9e473f6f64df60c2029cc35c5ea...
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.