OpenTechnical

OT-2026-000041613

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000041613) never changes.

Identity and time

Publication numberOT-2026-000041613 · never reused
Internal UUID01a0ae79-e8a0-73f3-9806-c01bb308358a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041613
StatusPUBLIC

Content hashes

Canonical text5e0e8459067bde76185145d53f7a1eb5928b4ba3b750ee81fab577cbf3f6c5bd
Markdown326745e6585fc77081688f7f7f2e1aac5276f9b433ed82a5e11203c2406dad61
PDF
Publication pagee2e4f73db3f7edeb253f406a3d7312ec058b88d738c817bdfa2fda0af86b3415
Manifestd39fdbf159fa3fed586155f7267db3d51c8e45240c12b7561848aeb2243c436a

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
SignatureATnPTrs47rgZP6T5Iu8uYbN8ae7gnyBdadAy2lKARBz3cptMyDGfKlmPt36YMtmYfz2Xj9zAhZWLtXY7DIlRCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:24.434900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041613
observed e2e4f73db3f7edeb253f406a3d7312ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:24.417780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041613/manifest.json
observed d39fdbf159fa3fed586155f7267db3d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:24.401102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041613/publication.md
observed 326745e6585fc77081688f7f7f2e1aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:24.384008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041613/publication.txt
observed 5e0e8459067bde76185145d53f7a1eb5...
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.