OpenTechnical

OT-2026-000086541

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000086541) never changes.

Identity and time

Publication numberOT-2026-000086541 · never reused
Internal UUID01a0ae9a-2c98-7bf1-b2bc-f6616bbbfc83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086541
StatusPUBLIC

Content hashes

Canonical textaa65d3b294ef79fcef548dae88a19387a17fd75caf5cbab501eb28a2e33a78c6
Markdownebf1061d09cc730c6b5fc13392405bee728359e0a6e9ddd8ee638d90a3943b76
PDF
Publication pageb4c9695c65bd37ee70d5f7a47217eb944467a2b918498e16c93248616eb0c58b
Manifest0924f5f20c6c579868a77329bb35edde757e6f120061656b429996639f39d8fb

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
Signatureg3Zd+XsU5v2tMkNDSdwyZWwjh8qNe0It+hpyj+s7pXCArznf6qPjpRdV7XM2DuLeyEnk3uj9L+fuBf9wY9P1AA==
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

2026-09-17T09:52:22.102512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086541
observed b4c9695c65bd37ee70d5f7a47217eb94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:22.084205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086541/manifest.json
observed 0924f5f20c6c579868a77329bb35edde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:22.064105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086541/publication.md
observed ebf1061d09cc730c6b5fc13392405bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:22.046304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086541/publication.txt
observed aa65d3b294ef79fcef548dae88a19387...
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.