OpenTechnical

OT-2026-000079318

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000079318) never changes.

Identity and time

Publication numberOT-2026-000079318 · never reused
Internal UUID01a0ae96-0b90-749a-996f-7c07da7d75dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079318
StatusPUBLIC

Content hashes

Canonical text11dd4e9872960cf3f4a361e27fd927bf589b360cb5e10a553721db6fcd5c6304
Markdown2645b9f12623cc3f6de69645b04535a25454ce582c5d681dd98c18bb756313df
PDF
Publication page65aba36371d36d5960254ac6ad1abaa324c9c6358a5107eb47f7f1e0b7057884
Manifest2bbdde561081241d0df60b4dea1db43b1e36fa4aeee6509e2cc698d33045c440

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
SignatureMLpDKO6Vx7zDXK7Zj0lc1fiWw0PqB6DlP3U27TPoN3phGr5Z00nL0h6iHyaZVCfZQZV2jlS0O8Lsf/kAZ0MXDQ==
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

2026-09-17T10:04:55.784558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079318
observed 65aba36371d36d5960254ac6ad1abaa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.765458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079318/manifest.json
observed 2bbdde561081241d0df60b4dea1db43b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.748069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079318/publication.md
observed 2645b9f12623cc3f6de69645b04535a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.730164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079318/publication.txt
observed 11dd4e9872960cf3f4a361e27fd927bf...
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.