OpenTechnical

OT-2026-000085986

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000085986) never changes.

Identity and time

Publication numberOT-2026-000085986 · never reused
Internal UUID01a0ae99-e82a-71c2-8e20-113e06b50359 · 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-2026-000085986
StatusPUBLIC

Content hashes

Canonical textc242d4ea41d5e49fde40d12f6d6318fed39f931fb19a89d2aaf6cd00583b2a66
Markdown69e86c0a497d220caab2c06542ef5f15ae53cdbf6e124f1286688fe089f499d7
PDF
Publication pagebd79c8f483fbe04a9b9ff544d26c4d22eee7e02bcc3068c57bd89492b7675c92
Manifest35cf99b59f801f31fe13334767bbb8a49f97357cb57d6b536d007497d512e581

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
SignatureumKaPCF+sN1wlOqxNLnJDhtYaYzrtnImEs/Ut45i6NUszg3wSNtlBy9zdHChynb4+lsspvF+WMQ279uuGk7XDw==
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

2026-09-17T09:52:57.947092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085986
observed bd79c8f483fbe04a9b9ff544d26c4d22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:57.930363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085986/manifest.json
observed 35cf99b59f801f31fe13334767bbb8a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:57.911619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085986/publication.md
observed 69e86c0a497d220caab2c06542ef5f15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:57.893920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085986/publication.txt
observed c242d4ea41d5e49fde40d12f6d6318fe...
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.