OpenTechnical

OT-2026-000048393

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000048393) never changes.

Identity and time

Publication numberOT-2026-000048393 · never reused
Internal UUID01a0ae80-4de4-7ba7-b30d-9443b420de63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048393
StatusPUBLIC

Content hashes

Canonical text2126e3b1d63b5d0e37ee1b0b4315e7384f16d9b9404a43e80e6c3ee67e0f3bd0
Markdown5cec64733160d9499c05c5cd8087195c03f0357e7b8420540684779c235c53e4
PDF
Publication pageba6671c08898e272dffbdfe4912aacc678ba0d3d8003a6929262fd41487f54f8
Manifest7a5f18d5182c6898acc43ce149dfad3b37c9067d478546be7ed63f221788ab03

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
SignatureFs7yC9d5Loq6Pjmz8OO1/39YAbHgUolE2w2SWPzuKithNn/Oxz9EW/SK5hxSmqfFasRciv4aJJvp9HpoxMOYAA==
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

2026-09-17T11:05:01.652276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048393
observed ba6671c08898e272dffbdfe4912aacc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.627993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048393/manifest.json
observed 7a5f18d5182c6898acc43ce149dfad3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.605153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048393/publication.md
observed 5cec64733160d9499c05c5cd8087195c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:01.583877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048393/publication.txt
observed 2126e3b1d63b5d0e37ee1b0b4315e738...
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.