OpenTechnical

OT-2026-000086131

Publication integrity record

Four bellows cup 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-2026-000086131) never changes.

Identity and time

Publication numberOT-2026-000086131 · never reused
Internal UUID01a0ae99-e82b-7d42-9519-2b20d16f1f70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086131
StatusPUBLIC

Content hashes

Canonical text1bdd22c4486a84197ea1f533d60278c81be7b58610e0bd886447f6fd2dfd083f
Markdowndb0b7fd3c8ca6cf1e3cf3879bf7609a287aa7e8561c9ae28e47ff902b4228be0
PDF
Publication pagea30d3bfa5d4e3f1d54fa42fac6e261b0c19a7efb7f6ec9e90ac2fda8b207fd7f
Manifest5f59d65912fb92380003571c89dd0056453859328a39949ec732ccfbbed42ca1

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
SignaturekCGU2KCQyfR6QbvjFa55loiyPlv1jz6fwDaii+yCuD+5X74qYAZrTDmSzcluylrRFEfX3G7n3rZzzG420CZfCQ==
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

2026-09-17T09:53:47.480415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086131
observed a30d3bfa5d4e3f1d54fa42fac6e261b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:47.459894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086131/manifest.json
observed 5f59d65912fb92380003571c89dd0056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:47.441802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086131/publication.md
observed db0b7fd3c8ca6cf1e3cf3879bf7609a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:47.419189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086131/publication.txt
observed 1bdd22c4486a84197ea1f533d60278c8...
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.