OpenTechnical

OT-2026-000042459

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000042459) never changes.

Identity and time

Publication numberOT-2026-000042459 · never reused
Internal UUID01a0ae7a-c0cc-73a6-a746-33eeb3f055d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042459
StatusPUBLIC

Content hashes

Canonical text775050b0d050c57af9e18eb08170168337dc1b0e21a63c1094f25f5654437d94
Markdownbff88517b08a0c7781aa63d6ba2922fa8812aa7c4c7d3e1457c882e3d3a1c31a
PDF
Publication page9e714b60f54e345b2a58ba950a5a6e6c1ae8cd4aabd437c0a7498601e7fa67c7
Manifest36dee9a1b5e67f9cac97b499b8b9342a20e303a9212e1cc0ca1adfb30b883d59

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
Signature5ooHRvCFe0iMRg43ymL00YNAeqNYaESliuE5g3w3vE7kjUfeXSYDPqm+xCF6y4sYXp/Xg2egMhDcG3RC+k70BQ==
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

2026-09-17T11:14:01.242029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042459
observed 9e714b60f54e345b2a58ba950a5a6e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:01.222977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042459/manifest.json
observed 36dee9a1b5e67f9cac97b499b8b9342a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:01.203784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042459/publication.md
observed bff88517b08a0c7781aa63d6ba2922fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:01.186210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042459/publication.txt
observed 775050b0d050c57af9e18eb081701683...
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.