OpenTechnical

OT-2026-000080481

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000080481) never changes.

Identity and time

Publication numberOT-2026-000080481 · never reused
Internal UUID01a0ae96-7e78-797f-aae2-0a5efc38de10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080481
StatusPUBLIC

Content hashes

Canonical textd09ce35ebd91952da1964c40ddc2b403511be8739c36831e29a83d3cf8930938
Markdowne2e7452f5587372b29642788891bb999c9e9545a0b863374e9dbd5e1861508bd
PDF
Publication page1bd792d5ca65b25956acd548d75e3f12dee19aff2e0841b7e8d8f3322f281660
Manifest683c0b1751d89d9be97d1a4b4f531bc269f372cc2d51cb1b13ffba0072b2c218

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
SignatureQeuskuLNpdYIStGvfByb7K+BVDbVmYumM3j0pCRNMFzy7Prfn0oHwImJWzwAbQEuGXiHE2nGv5tal3G+jXcACQ==
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

2026-09-17T10:02:34.531166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080481
observed 1bd792d5ca65b25956acd548d75e3f12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:34.511469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080481/manifest.json
observed 683c0b1751d89d9be97d1a4b4f531bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:34.492961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080481/publication.md
observed e2e7452f5587372b29642788891bb999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:34.476228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080481/publication.txt
observed d09ce35ebd91952da1964c40ddc2b403...
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.