OpenTechnical

OT-2026-000043434

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three 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-2026-000043434) never changes.

Identity and time

Publication numberOT-2026-000043434 · never reused
Internal UUID01a0ae7b-327f-7d85-904f-98f9c2521fa9 · 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-2026-000043434
StatusPUBLIC

Content hashes

Canonical text66f0f75947362fe15adae7dbf9ae5e1f9271d491c25a88ca96dc02c31e851ddf
Markdownd73d651481a3a7041a360f2032ff5a07566cd08defb8ef240213c9838255a55e
PDF
Publication page3112e550dab3f3722fdc47746abfe102ae978c1cbe7368ccbcce265f03925a54
Manifest597c7e0b9611fc0c3df12f624d3056f2ce448a266673944bbef8d6d4c5f7d0ae

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
SignatureYZlYtwJkMD5AP6cQeyTENInnj2IIVLCqg5HlSddLhMhWIP96+09nhWCWairizPF951A47jSQmHZipwhopj8uBA==
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

2026-09-17T11:13:58.840585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043434
observed 3112e550dab3f3722fdc47746abfe102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.819655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043434/manifest.json
observed 597c7e0b9611fc0c3df12f624d3056f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.800599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043434/publication.md
observed d73d651481a3a7041a360f2032ff5a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:58.780328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043434/publication.txt
observed 66f0f75947362fe15adae7dbf9ae5e1f...
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.