OpenTechnical

OT-2026-000078558

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000078558) never changes.

Identity and time

Publication numberOT-2026-000078558 · never reused
Internal UUID01a0ae95-7c29-7640-9a0b-428f12289ce9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078558
StatusPUBLIC

Content hashes

Canonical text19e2fd922bd564261a66726c4fa8bf94f2b228d3341c74e44170d13f7e250027
Markdowneb8ab281d9066cbd337d3b511f5bb8cd5d9d0566e60e36cb8358dc42e84d063a
PDF
Publication pagedade2b9fd1f8171405a7752baad5af45b111dee0a95caa333484d4e08da2c452
Manifest4bf24e0e7f07166764907b0c0537002044ac84885043e492b651c944cf3d2012

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
SignatureGoP/HR2RsWP8iWlKZ0se4nibHFuzS9c3fU5V2XAtcu+zIeSYtlvT0WkkpktdEhBNF+Z2tDCYR9ymUQqYceNJAQ==
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

2026-09-17T10:06:34.808965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078558
observed dade2b9fd1f8171405a7752baad5af45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.789843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078558/manifest.json
observed 4bf24e0e7f07166764907b0c05370020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.769546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078558/publication.md
observed eb8ab281d9066cbd337d3b511f5bb8cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:34.752102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078558/publication.txt
observed 19e2fd922bd564261a66726c4fa8bf94...
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.