OpenTechnical

OT-2026-000046181

Publication integrity record

Two cup vacuum gripper, two 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-2026-000046181) never changes.

Identity and time

Publication numberOT-2026-000046181 · never reused
Internal UUID01a0ae7e-032c-7efb-9bee-0196a1e1c597 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046181
StatusPUBLIC

Content hashes

Canonical text9c0d2bfff05149eae93f9fc573c21126bc2b362b1043071d4129c93b25f112c9
Markdown89c881c68e91978236c0518d63e7879214c7a4be63df377c0c68e3da3db09e9a
PDF
Publication page88bbc80e3a7a3e512eec6b0e2ab5f0dd69714390aa13031faa01d80d76583e7c
Manifest679bffc48a0dae0a09bcdb57931d2c3714919db6d5805e98ba8180e3309649f9

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
SignaturefFF9vEq36OCP8s70mp9oww7Zoup51VJsW80Ks035p7yO5fMTdZMj7t99kFkP8dnfwCTp5eKonZCir8V0ohrbCw==
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

2026-09-17T11:09:11.385321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046181
observed 88bbc80e3a7a3e512eec6b0e2ab5f0dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:11.366912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046181/manifest.json
observed 679bffc48a0dae0a09bcdb57931d2c37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:11.343476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046181/publication.md
observed 89c881c68e91978236c0518d63e78792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:11.317696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046181/publication.txt
observed 9c0d2bfff05149eae93f9fc573c21126...
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.