OpenTechnical

OT-2026-000033970

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000033970) never changes.

Identity and time

Publication numberOT-2026-000033970 · never reused
Internal UUID01a0ae75-df0b-7581-8610-f273ccdcf6eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033970
StatusPUBLIC

Content hashes

Canonical text7593086f0e56f268b632086bb6531751a3708048ca1ef305db787401938948ad
Markdown6002b9afba4ab8ce1419b970a53e74eef78e452722bec08aa09000e4845a2ef0
PDF
Publication page697e330c0093ecafb5a28c9a7018055e665e8d3b988f979c2b8c34fbbaadc463
Manifestbeff705f5688b0b36c6dbe8c4f3f3b1f717c29ad7e3da994514595e6ef287b1e

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
SignatureAaMf4/lj8Gs3IBjFDpAR2Uz4typL2ABvIfOCvVai9I9vvmG+6U7MAeuL8R4UpavMNnlDzb6TKH/km1cxFgEtBQ==
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

2026-09-17T11:30:06.077901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033970
observed 697e330c0093ecafb5a28c9a7018055e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.056874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033970/manifest.json
observed beff705f5688b0b36c6dbe8c4f3f3b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.029890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033970/publication.md
observed 6002b9afba4ab8ce1419b970a53e74ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.011479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033970/publication.txt
observed 7593086f0e56f268b632086bb6531751...
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.