OpenTechnical

OT-2026-000061589

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000061589) never changes.

Identity and time

Publication numberOT-2026-000061589 · never reused
Internal UUID01a0ae8b-7b45-7ecf-b3d3-6afb6a28b479 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061589
StatusPUBLIC

Content hashes

Canonical text99387878b3677d0114f9f5be6e7c915585c39bc26f491fe1708d7ce1dc8df703
Markdownc9ce60db640dd32f1622f34ad47c0c4135a30a84b96082319d22e2a2947ede45
PDF
Publication page36516981f6a61536ce0e24fcd2059a9851f413126879ec87b99f8b6e48662915
Manifest5c695a5dcb6972a2076f9c941256ca37cc76a7c377926620bc924a2a3a89d94f

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
SignatureqzvynOWcfxfzH19gPJPwgc46PXLaPW07/RMACAq+fFaWSPOpHhfRFdPs0RaaON8dSjLkTSw/i8q6aO1+rtgWDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:30.714787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061589
observed 36516981f6a61536ce0e24fcd2059a98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.696638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061589/manifest.json
observed 5c695a5dcb6972a2076f9c941256ca37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.677583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061589/publication.md
observed c9ce60db640dd32f1622f34ad47c0c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.658270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061589/publication.txt
observed 99387878b3677d0114f9f5be6e7c9155...
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.