OpenTechnical

OT-2026-000079881

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, sustained blow-off before set-down

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-2026-000079881) never changes.

Identity and time

Publication numberOT-2026-000079881 · never reused
Internal UUID01a0ae96-4376-771c-baf2-aed5f323808f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079881
StatusPUBLIC

Content hashes

Canonical text14c1afea89cf72b598d816164009522b3b8177d720c56d2a6ab9654e07addb51
Markdownaca9e15e300e3f81829b9b20dcfe4ae8d59a122e5cac8bfb38275b7442723144
PDF
Publication pagee7a2bee13fae6d9b8917ef9033514a528e460e958c294ea8cec0c45568e3d626
Manifest617d395e3449149ccb8942ab0db01e7bab692ed3aa136e1f839c96fed4601cfc

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
SignaturegCmW9Jj9BAv6wEoSTvsdAODg7VE2Ds3h5wYga/r9Yh4i/Cc7YcDaA/reGJduI3DH5AZbKXjkP59Jz56ynZw8Bg==
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

2026-09-17T10:03:46.349798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079881
observed e7a2bee13fae6d9b8917ef9033514a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:46.329531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079881/manifest.json
observed 617d395e3449149ccb8942ab0db01e7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:46.309443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079881/publication.md
observed aca9e15e300e3f81829b9b20dcfe4ae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:46.289990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079881/publication.txt
observed 14c1afea89cf72b598d816164009522b...
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.