OpenTechnical

OT-2026-000066931

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000066931) never changes.

Identity and time

Publication numberOT-2026-000066931 · never reused
Internal UUID01a0ae8f-14fd-7939-af27-fba2d2ccbc1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066931
StatusPUBLIC

Content hashes

Canonical text42f15d33caff3a2f77e5dbc8d82c5dae1fec252ecfbc95defcfcfef90bb50d26
Markdown0572602595e45352dcda728f0f37269243872d72f21f1b4df349891abad39299
PDF
Publication pageaedf95519e1ae9f7beb4efca4f734d717b063e435f363bb06683cec58124f5ae
Manifest4e0cf9835757a39f6c2116f89e65ca65c4dd8c7a97c5bfdc3c2f309cc7e9be16

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
Signature9X5E+D1qJBAcF3TE2sHluNgR/Gk1dnf6X7TfNpuqqaxMfXrELfeONqtHs7HIqgHO18/BFFutW8b2VEOUFGcWBw==
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

2026-09-17T10:32:08.498417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066931
observed aedf95519e1ae9f7beb4efca4f734d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:08.481358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066931/manifest.json
observed 4e0cf9835757a39f6c2116f89e65ca65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:08.462110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066931/publication.md
observed 0572602595e45352dcda728f0f372692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:08.442540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066931/publication.txt
observed 42f15d33caff3a2f77e5dbc8d82c5dae...
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.