OpenTechnical

OT-2026-000085891

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000085891) never changes.

Identity and time

Publication numberOT-2026-000085891 · never reused
Internal UUID01a0ae99-e82a-75b3-89c6-4d302a91f9b7 · 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-2026-000085891
StatusPUBLIC

Content hashes

Canonical text904c7e801cd62bdc9c698f4e72661c79db1f9fe89a9a40299bfd3f5d6a1be545
Markdown9d80b6ff3b77d9b2daa8ddddc8aba6cd67307a667d0963f44e2e1a3aaf0df6b5
PDF
Publication page0c3e8dcfaa0d15215410b089d1d562974aa78d7fdce679db6a411f7d7389bfc8
Manifestcf5685954951a80f994eab85d3c52c5fb6a1cbea9a005193d600661b28e627ff

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
Signatureo6JipqthlqP0X0BaaHevKZV6vJkYzobpnXO+tZoRLPixNXgx81qplXDSzPP00ZAjzYZBSN8/1k7HBqFd0BO0Aw==
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

2026-09-17T09:52:49.890873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085891
observed 0c3e8dcfaa0d15215410b089d1d56297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:49.874360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085891/manifest.json
observed cf5685954951a80f994eab85d3c52c5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:49.857764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085891/publication.md
observed 9d80b6ff3b77d9b2daa8ddddc8aba6cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:49.841740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085891/publication.txt
observed 904c7e801cd62bdc9c698f4e72661c79...
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.