OpenTechnical

OT-2026-000088878

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000088878) never changes.

Identity and time

Publication numberOT-2026-000088878 · never reused
Internal UUID01a0ae9b-8f11-7f25-8921-09c1f61a6a5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088878
StatusPUBLIC

Content hashes

Canonical textb169383c1e466683060616181c490c3b8f4cb5e09d7596af576737faf5cd0565
Markdown9fbf261427a28dea7619d7c0ab9019de40599d338f08a1aa4a032ec4470a40cc
PDF
Publication page007590c2adde326150baa20ed38a787de34a22c16d76c93f29a7c882b6e83781
Manifestad1e4d2217e5b3940a01d704ecd6b102dd753a00e34d34c492a8fc871288cd91

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
SignatureMCrK3TKbjYcHEplG8gMIL70gCfEPDVzBzZVDBIA9mxbQzNNTIL4VaN5WmFjdeItUADsi6P8t7VER1EEWRD4+DQ==
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

2026-09-17T09:48:16.597046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088878
observed 007590c2adde326150baa20ed38a787d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.579258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088878/manifest.json
observed ad1e4d2217e5b3940a01d704ecd6b102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.559911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088878/publication.md
observed 9fbf261427a28dea7619d7c0ab9019de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.541040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088878/publication.txt
observed b169383c1e466683060616181c490c3b...
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.