OpenTechnical

OT-2026-000043622

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000043622) never changes.

Identity and time

Publication numberOT-2026-000043622 · never reused
Internal UUID01a0ae7b-92d0-7eea-babe-8a24c1789f99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043622
StatusPUBLIC

Content hashes

Canonical textacd41622c2cc40d056948d7a46a89970b90a75fb298bad1ce9191c9098ea0aaa
Markdown06744b1dfadf3185a87bae493a27687362105c169b66724dac1f76d4591b5e0f
PDF
Publication page67135e8e213ffd078e953ee8b53dc72282cc484473d809d2ac02d52d10fd0352
Manifestb646a32425ccb289e1cebc73ba1a4f59ac3cc5a7742a95384bfaf8bc77d3c70a

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
Signature/fcMuYwj/GKxzrRb/OshY+/3pFCwNJfDk3x2kLudfUAZdu9/QnHxhx4MVar1tDGThGyBjveeThFsaA/O4adYCw==
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

2026-09-17T11:13:05.519600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043622
observed 67135e8e213ffd078e953ee8b53dc722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:05.498095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043622/manifest.json
observed b646a32425ccb289e1cebc73ba1a4f59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:05.477196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043622/publication.md
observed 06744b1dfadf3185a87bae493a276873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:05.455327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043622/publication.txt
observed acd41622c2cc40d056948d7a46a89970...
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.