OpenTechnical

OT-2026-000070931

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000070931) never changes.

Identity and time

Publication numberOT-2026-000070931 · never reused
Internal UUID01a0ae91-8c2d-7eb0-b210-b9745b7c52e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070931
StatusPUBLIC

Content hashes

Canonical textce113111564b7c7ae1d627f345035f759c01890ba97f189847b72c77fcb4f0f7
Markdowne2a5e720cf22d1142c7b9472b1110ff3d6f457c08e02db4e16d1c18885a0e1eb
PDF
Publication page231e50459e20b357a1cf702edd30d1c2f9de4708b1c65ac03ec3ac35175fd505
Manifest9c191e3c651194de8e4578f813c9d619c2cee4f773bfc13b0b49019e06fb80c1

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
SignatureGbOAM6/4bQEyFmHlu47Y4Jdiz0p2VqleW8hrLOFpOED++E+4CUlfjcgsIQhwOiPsxGMbiNO/DGq/NuFK+MLkDw==
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

2026-09-17T10:25:45.954595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070931
observed 231e50459e20b357a1cf702edd30d1c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:45.937618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070931/manifest.json
observed 9c191e3c651194de8e4578f813c9d619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:45.921317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070931/publication.md
observed e2a5e720cf22d1142c7b9472b1110ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:45.904193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070931/publication.txt
observed ce113111564b7c7ae1d627f345035f75...
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.