OpenTechnical

OT-2026-000089948

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, manifold 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-2026-000089948) never changes.

Identity and time

Publication numberOT-2026-000089948 · never reused
Internal UUID01a0ae9c-428d-72dd-80eb-ef98928eeb69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089948
StatusPUBLIC

Content hashes

Canonical text5c29c510316450195c5bc4ddef4a75d859e3630d3414f26b68cfd2803d483f55
Markdown34d6979aa7f570bf3fd61f2cf577377f5ec95187df8b6b9c65ee4c7002944cb3
PDF
Publication page0c9950d1e7232e5015c5c420df156712186092c44af5fd3ac6b10bb2ad488205
Manifestb9ce1c7fc5b9098f195df723bdf809c77c2e1da1f44a9d41829e76d8feee81fa

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
SignatureXiDR1n+yCCJG7Ns6hd7HD5ScM/YzOTbvBufSIMkb0Q2MHUcFeYwwbxllXEbTxkBQ9AUAsmToult+TQ0BPf9GBw==
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

2026-09-17T09:45:19.677444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089948
observed 0c9950d1e7232e5015c5c420df156712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.631602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089948/manifest.json
observed b9ce1c7fc5b9098f195df723bdf809c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.611962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089948/publication.md
observed 34d6979aa7f570bf3fd61f2cf577377f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.562631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089948/publication.txt
observed 5c29c510316450195c5bc4ddef4a75d8...
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.