OpenTechnical

OT-2026-000043144

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000043144) never changes.

Identity and time

Publication numberOT-2026-000043144 · never reused
Internal UUID01a0ae7b-327a-7b94-b8fc-313fe860ffbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043144
StatusPUBLIC

Content hashes

Canonical text5a6942f7b81adea3979f9530f8ea3d3a765026871c589291e4039978a80971b8
Markdown0fc06149705c2f8a4902b0ecc5f2ba9cbbd5c2bde55d0728bbbcd69f8cf589bb
PDF
Publication page9288df4999b8e683e9341479894380aa7066277c6b0c4c29a9b6f12a551dfa22
Manifest8db39ceaf1e794902496d7532f4ada3071bd28a3d47a207904082793f9dd80d2

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
SignatureCkijxh/DUTrk7yEy6tSml4sPYWSsQDPO1PqWg+1sj5UDwtYzj8XG/9yJLwBGcvp2M806nNc4glICeCtttZqzAg==
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

2026-09-17T11:13:34.995907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043144
observed 9288df4999b8e683e9341479894380aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.975959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043144/manifest.json
observed 8db39ceaf1e794902496d7532f4ada30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.956739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043144/publication.md
observed 0fc06149705c2f8a4902b0ecc5f2ba9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:34.934656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043144/publication.txt
observed 5a6942f7b81adea3979f9530f8ea3d3a...
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.