OpenTechnical

OT-2026-000048825

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000048825) never changes.

Identity and time

Publication numberOT-2026-000048825 · never reused
Internal UUID01a0ae80-c32d-70eb-ade6-61ae38c423c8 · 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-2026-000048825
StatusPUBLIC

Content hashes

Canonical textf83f284affcaedfbe41a87a814d928b7b3d89a4325580f4f80f1e4998f174cf4
Markdownafad073e5ce21c9f56ceee9e4ac1b6c3f2a15da5eaffe573c4686d87b9b9b6d2
PDF
Publication page3a79e966af71c600489a88710c1d712ac6b2336eb0c6b9064ee3b4dea3e33d85
Manifest32ec9958ea78d4fc3a014ec11f6044a3ad3db699ec118f57465f3af6f4bcb878

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
SignatureEvmki/8I5lv8h70FFLHc7P1lDC+sQOXFrGVPG271fuZWpx/SxRHzx2uERSKINultCRSB6J893eGyveg3L0WHDQ==
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

2026-09-17T11:04:33.532360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048825
observed 3a79e966af71c600489a88710c1d712a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:33.512464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048825/manifest.json
observed 32ec9958ea78d4fc3a014ec11f6044a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:33.491178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048825/publication.md
observed afad073e5ce21c9f56ceee9e4ac1b6c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:33.470278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048825/publication.txt
observed f83f284affcaedfbe41a87a814d928b7...
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.