OpenTechnical

OT-2026-000048706

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000048706) never changes.

Identity and time

Publication numberOT-2026-000048706 · never reused
Internal UUID01a0ae80-c32b-78d6-8193-fc9d8aa87cb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048706
StatusPUBLIC

Content hashes

Canonical text4fff5a07b6fd70252048ec1c1045ce11f11c1b73124dfdc22b8326987b569f67
Markdown9d09055369fd9baa90937b571efbf09484b2ca8b3363dddcd3c1584d2c85bfbf
PDF
Publication page702c37611d937c1cd9279fa987d36f1eb263463d8d3c7fbb0a4409aa98028f44
Manifest31699b1bba49241a3c298bfe6ed9f87bd2f2974aa59686e713c4c47e3d5f428e

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
SignatureZKl/bAPcV3rpFxIwCcbkdM2TvbakXh6a3upfN9ouD85aRIsDqelfyuF0wt5blym1EQrP7elVa+kKPglciSrZCA==
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

2026-09-17T11:04:20.669611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048706
observed 702c37611d937c1cd9279fa987d36f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:20.648691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048706/manifest.json
observed 31699b1bba49241a3c298bfe6ed9f87b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:20.627635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048706/publication.md
observed 9d09055369fd9baa90937b571efbf094...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:20.608499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048706/publication.txt
observed 4fff5a07b6fd70252048ec1c1045ce11...
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.