OpenTechnical

OT-2026-000025454

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000025454) never changes.

Identity and time

Publication numberOT-2026-000025454 · never reused
Internal UUID01a0ae71-5fa8-7dda-9c4e-4ce556f76d3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025454
StatusPUBLIC

Content hashes

Canonical textccd6fc3896d4b535e7e432d20cb8634eb1cb2e9d058a9b1437e251b7bf0f6f39
Markdown0674873afb751d6f4144a122e43f6ae0167ead32427f9db18898fdf5b9cbf288
PDF
Publication pagefe45a41e0dec17abfd33e2dc88a6e2dda8b7338abb6685b6a7026ed8274e126d
Manifest560f3dec8266a065991036108ab4c72ed1b343c3125eb9950ff5b0d51fa87518

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
SignatureXF0qVRPprSGTTWUwDVIkDZtrb2Z1k//biPtSjfTqDLqXokjlffL1u16dMg2/fffO3sHR1yG7PFgukquBMC82Dg==
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

2026-09-17T11:47:32.266537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025454
observed fe45a41e0dec17abfd33e2dc88a6e2dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:32.249983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025454/manifest.json
observed 560f3dec8266a065991036108ab4c72e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:32.232985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025454/publication.md
observed 0674873afb751d6f4144a122e43f6ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:32.215372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025454/publication.txt
observed ccd6fc3896d4b535e7e432d20cb8634e...
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.