OpenTechnical

OT-2026-000086504

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000086504) never changes.

Identity and time

Publication numberOT-2026-000086504 · never reused
Internal UUID01a0ae9a-2c97-76a9-8e62-aa43238dccd5 · 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-2026-000086504
StatusPUBLIC

Content hashes

Canonical text17a1bbd98aced7e660dbd9dcfa97b928e9f62760d7906ac9ddc506a06bc5c78a
Markdown386cfb514d1cc37744e5b2359a80420bedba87c1f8d80eba14859edf33b34c6c
PDF
Publication pagec80ce69df0716857741e6fb66d50bdbaac8a5385c5695112f52e372e9c8cd523
Manifest59aa1a95a2441be6201a822929317d4c47eb7be1b30132f8da3bb7fbe86bc2d4

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
SignaturegYwE3baMt+QlQ93Es8pm8ccb9bK2qxx0wk8j57AsQA5pL0nolP3gU5J7iNERl34OY6swnl8Ds2qf3qFMfDa+Bg==
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

2026-09-17T09:52:19.363459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086504
observed c80ce69df0716857741e6fb66d50bdba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.346845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086504/manifest.json
observed 59aa1a95a2441be6201a822929317d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.330812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086504/publication.md
observed 386cfb514d1cc37744e5b2359a80420b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.311369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086504/publication.txt
observed 17a1bbd98aced7e660dbd9dcfa97b928...
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.