OpenTechnical

OT-2026-000089208

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000089208) never changes.

Identity and time

Publication numberOT-2026-000089208 · never reused
Internal UUID01a0ae9b-db00-771b-b067-309304a2faca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089208
StatusPUBLIC

Content hashes

Canonical text467d4bfc345191479a48a169453073dd7a21fe4ca62d2dff168969707371b3f1
Markdown07bd39d6099cb2c3bb3d1861d4b536bc014434c42dd5d3acba6a42e6566b8e61
PDF
Publication page56a9644944953dc1c9b5b9ae3937de2d1eadd8aca81ad785c99f728fef0aece6
Manifestb3d3d24034d81d959e72d4576865a5f2ce44be8f59598674cb05c3439599464b

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
Signature0ttTkVKragVTIDjZVJgGqKqeUY+p+F55uZLzEeA27a9MEkt6L0MnGMWoKbdl2FqHCBRQiSIQdtcgxCljJpwICA==
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

2026-09-17T09:47:13.717699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089208
observed 56a9644944953dc1c9b5b9ae3937de2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:13.699450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089208/manifest.json
observed b3d3d24034d81d959e72d4576865a5f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:13.680081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089208/publication.md
observed 07bd39d6099cb2c3bb3d1861d4b536bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:13.660539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089208/publication.txt
observed 467d4bfc345191479a48a169453073dd...
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.