OpenTechnical

OT-2026-000036847

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000036847) never changes.

Identity and time

Publication numberOT-2026-000036847 · never reused
Internal UUID01a0ae77-773e-7aaa-861f-79872dc8b538 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036847
StatusPUBLIC

Content hashes

Canonical text1a65b91f75cda66a347252191c3d11faedb2dcd28262f3b65e0d55d05834f029
Markdown54a05596146ff9c072216ea3cffe9b88507cd4b844001229bd59f1a6890840c3
PDF
Publication page0f1e0dfb2a3da153723e958fbc82ef47c91ff5bc8f49a35b366963eba00ef091
Manifesta38dfedbb5bf5ad30803eca0b1e19f479ab4cd6a6b0802f5a98f5e64d4c9fcf3

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
SignatureseZjOhoYfMzBZ2orW2QlgzDR2NoCp05noaLtixpxcq5HlHKc2szeBavyumFl/ZrXNsaKj8hAedhGLU3CjOw9Ag==
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

2026-09-17T11:24:28.389963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036847
observed 0f1e0dfb2a3da153723e958fbc82ef47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:28.373458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036847/manifest.json
observed a38dfedbb5bf5ad30803eca0b1e19f47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:28.357615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036847/publication.md
observed 54a05596146ff9c072216ea3cffe9b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:28.339486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036847/publication.txt
observed 1a65b91f75cda66a347252191c3d11fa...
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.