OpenTechnical

OT-2026-000085943

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000085943) never changes.

Identity and time

Publication numberOT-2026-000085943 · never reused
Internal UUID01a0ae99-e82a-79cd-bb82-71c92bb52e70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085943
StatusPUBLIC

Content hashes

Canonical text63929f4ffdb0b733b3209540172f9016a26ec83d54baa22fe2a7f6558184379a
Markdown15c86ae08dc53f9d18316967cc198abfe2a4da0f3471f810a25a1719a0b8945a
PDF
Publication pageb28c656aa82afdc3a3f7d4eb3fed7b4bcb67e5cc6665840bdc0714144f559c4b
Manifesta3dfbcb363356bc21a47c53fee084382722072785c6c9e948c1028e8d0584cd0

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
SignatureObM3bZnBrz7Or5hfZGH5sl7nt9aXe+lDg2kvapATGtVq0FYOd4BHQkL/ZOFbWMNYf3Eav8fjCzwuumSPI1PmDg==
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

2026-09-17T09:52:54.053902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085943
observed b28c656aa82afdc3a3f7d4eb3fed7b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.035839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085943/manifest.json
observed a3dfbcb363356bc21a47c53fee084382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.016763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085943/publication.md
observed 15c86ae08dc53f9d18316967cc198abf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.997733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085943/publication.txt
observed 63929f4ffdb0b733b3209540172f9016...
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.