OpenTechnical

OT-2026-000023617

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000023617) never changes.

Identity and time

Publication numberOT-2026-000023617 · never reused
Internal UUID01a0ae70-aed3-7d60-a426-01b060f5a157 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023617
StatusPUBLIC

Content hashes

Canonical text4f844ad70ebe966e015f59e0f1733cc67bdfb9017ecedf9baefd9d596311e73c
Markdownd9de66a446207a8dbd3f38d9b0ef4ebe7b5d623a8377a05f9cea9ece2a756835
PDF
Publication pagef55b4ef60cfa92107580a841646963170a5149325d0509ab063fcc0b8454cb78
Manifestc9698e4262e93795d295af90ba018b5a8784959ba84ce062f8b5c3ac891a4f00

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
SignatureYqso2DunCB9eE2ShaUwn5nP/VOrDK4DleMdNJMcUPidjItbRduhIeJhJuoeNG9PgXlwlNimwwmmUmsCxk3mxCw==
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

2026-09-17T11:49:49.278619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023617
observed f55b4ef60cfa92107580a84164696317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:49.261418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023617/manifest.json
observed c9698e4262e93795d295af90ba018b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:49.244292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023617/publication.md
observed d9de66a446207a8dbd3f38d9b0ef4ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:49.226218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023617/publication.txt
observed 4f844ad70ebe966e015f59e0f1733cc6...
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.