OpenTechnical

OT-2026-000018918

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000018918) never changes.

Identity and time

Publication numberOT-2026-000018918 · never reused
Internal UUID01a0ae6e-d522-7215-9034-f1c69928f474 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018918
StatusPUBLIC

Content hashes

Canonical textface664e8c8703040c1254c7713cdc7c4ff6c3aba9738d64dde77cc87fbd4a9d
Markdown1b45cf7643c25898ce0a66ac36f9fe142d0bf207e71a3722c971027b422bc511
PDF
Publication page514993e4e1e91b00a6cf8a61f65a415813c7b20db68b4a3a56dcd8e583bc83bb
Manifest0a80a555ddd4f1c1b93f89658d653430f7abaea9bbb874b0cb14cd00ee0cb60b

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
SignatureyQgJ0vqFab8JqPh/tSKbJmrq1Jci4ouNQ4Xj36LufzTJKDoDITy3ILKuhOHz/AWAzS9yP7lgxl2WbulAsM0vAQ==
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

2026-09-17T11:59:34.694058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018918
observed 514993e4e1e91b00a6cf8a61f65a4158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:34.676940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018918/manifest.json
observed 0a80a555ddd4f1c1b93f89658d653430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:34.659908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018918/publication.md
observed 1b45cf7643c25898ce0a66ac36f9fe14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:34.643875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018918/publication.txt
observed face664e8c8703040c1254c7713cdc7c...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent