OpenTechnical

OT-2026-000048612

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000048612) never changes.

Identity and time

Publication numberOT-2026-000048612 · never reused
Internal UUID01a0ae80-4de8-7f14-97eb-9ad94588a26e · 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-2026-000048612
StatusPUBLIC

Content hashes

Canonical text20b4a92e7f9b5780b3c1cf703378698fb0fa760d75fa7fe3cf81cdcbf509c064
Markdown8177735271c2018e44fdc9d0052c811fc753d08994d4f12fdf82aac327ffe6b2
PDF
Publication page936d449b4dd4bf3cae77ad2e4a5fab25465248dcfb7277f954806abfe2ba3071
Manifestf2c9dda20908c718c0c08595bc71d1423d8dac6211235df726208a847f3c347a

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
SignaturePBx9vtXaldkUAco7l4lvpYNwXlOfXYmnUseLUbOR59Wht3CYd/rrkNiDimcpDMCYpwO7L6Vdl1DjhzUsWUTuCA==
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

2026-09-17T11:05:25.737544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048612
observed 936d449b4dd4bf3cae77ad2e4a5fab25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.716350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048612/manifest.json
observed f2c9dda20908c718c0c08595bc71d142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.695688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048612/publication.md
observed 8177735271c2018e44fdc9d0052c811f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.675992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048612/publication.txt
observed 20b4a92e7f9b5780b3c1cf703378698f...
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.