OpenTechnical

OT-2026-000048718

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-2026-000048718) never changes.

Identity and time

Publication numberOT-2026-000048718 · never reused
Internal UUID01a0ae80-c32b-705c-8546-b748f94ca321 · 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-2026-000048718
StatusPUBLIC

Content hashes

Canonical text8f8372dda44dfab97d1f998be2368bae7ad54270de4f8ca742d2cb69c21eceaf
Markdown4c46bb4569bd6e5f2cf80298905cc4c7f22fb216091cd27801c8afa08b52b672
PDF
Publication page1d9f1ae3dd89704446ba7e5b5872393b66d020f9f048a7b12deb741ff51afbef
Manifeste5c0837a87891eae5760bce44c0166f382463937658da83f2011ff7d90bd8cdd

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
SignaturefgudQXrKhDqGH2weSlPbm+JEi/rY4bioOHsokGdJqmVFSd/gqD1K5wEddGeDTn/b6v0iiluCLyP/lzQrYFnQAA==
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

2026-09-17T11:04:21.822120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048718
observed 1d9f1ae3dd89704446ba7e5b5872393b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:21.801052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048718/manifest.json
observed e5c0837a87891eae5760bce44c0166f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:21.779890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048718/publication.md
observed 4c46bb4569bd6e5f2cf80298905cc4c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:21.752472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048718/publication.txt
observed 8f8372dda44dfab97d1f998be2368bae...
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.