OpenTechnical

OT-2026-000048749

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000048749) never changes.

Identity and time

Publication numberOT-2026-000048749 · never reused
Internal UUID01a0ae80-c32c-7d91-b486-b7f79a7c3fd9 · 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-2026-000048749
StatusPUBLIC

Content hashes

Canonical text8a15998c550cb77781e09b0878de5376fe234a1478bdbe29ec882ee6116dbb27
Markdown5cee7f98b16ea3d0e333b16d20b33faac7aa794420fe26a90fe7886b356c6fe3
PDF
Publication page35a0205219b6d45e46ab6b35762cd2154ebccd0dc2a81a61442fff857bcf3550
Manifest0d713ebfb1485bef2fb15df72ad67a8c541770b86f503ef1085bdfdd1fa361df

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
SignatureMTDxgbqOLgETp56WzumHr0O2Be8rCXBfvY3PuZP2l3WobasADlyyClzyYG7uCiRbYmy4RrNyWoPF2XGtX5+aCQ==
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

2026-09-17T11:04:24.866885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048749
observed 35a0205219b6d45e46ab6b35762cd215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:24.840797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048749/manifest.json
observed 0d713ebfb1485bef2fb15df72ad67a8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:24.807500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048749/publication.md
observed 5cee7f98b16ea3d0e333b16d20b33faa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:24.772141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048749/publication.txt
observed 8a15998c550cb77781e09b0878de5376...
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.