OpenTechnical

OT-2026-000079739

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, 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-2026-000079739) never changes.

Identity and time

Publication numberOT-2026-000079739 · never reused
Internal UUID01a0ae96-4375-7cb3-a33d-993f0c47ea3f · 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-2026-000079739
StatusPUBLIC

Content hashes

Canonical text2105e14cc1db0c1e7b68df503b036c3bcebe250f7b80f3338009e09e2016f160
Markdown24bfcde95ced0e1dab3ca5f63030d773f41b8db778701f72460df7f2d738cbe4
PDF
Publication page4c9c9e26bc2b4b3d1e1a6a46488757dcce07683a4dece2779084901f4fe82e7f
Manifest982ae4dcf2baaf22c7d0bf751efac8651a930f2117dca26103bc67456f15c078

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
SignaturenvbvkJOXVR9W477jvWTQxuCtZ+6xVh+XMYoFPGXGWL/+2S33BEQnyHu9WxOBEjtQ8qgubz0GBOztyYgpIacDDw==
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

2026-09-17T10:03:36.293041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079739
observed 4c9c9e26bc2b4b3d1e1a6a46488757dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.275127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079739/manifest.json
observed 982ae4dcf2baaf22c7d0bf751efac865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.258948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079739/publication.md
observed 24bfcde95ced0e1dab3ca5f63030d773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.240126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079739/publication.txt
observed 2105e14cc1db0c1e7b68df503b036c3b...
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.