OpenTechnical

OT-2026-000093980

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000093980) never changes.

Identity and time

Publication numberOT-2026-000093980 · never reused
Internal UUID01a0ae9e-92c9-731a-b6ce-f59367369e4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093980
StatusPUBLIC

Content hashes

Canonical textb63199b55c20729cf37b5f922d8edf4c859827e6419cafcc23735bd7df803a12
Markdown87cc6ae1d937b98d244aef7318a886bad7d99611b0a1faf37e00f49cb2fd4220
PDF
Publication page5d28b7118c209a8163bb0301357451c1a0e29513a391c11b8c5dc422d54ab7bb
Manifest42f38a6ef5ae02a4edd70668c1d8561a70a6e4787574c804cffb8bd441412e2f

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
SignaturekKHSR9lYmOyWPPpffiYJA0ttx+aa2I1qLZDoE3uXy7xQ+ceVxNZgmZSVf+KyvD0CaPYVMdlK0lvDqz1qe5nSDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:38:22.961984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093980
observed 5d28b7118c209a8163bb0301357451c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.942947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093980/manifest.json
observed 42f38a6ef5ae02a4edd70668c1d8561a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.924900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093980/publication.md
observed 87cc6ae1d937b98d244aef7318a886ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.906378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093980/publication.txt
observed b63199b55c20729cf37b5f922d8edf4c...
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.