OpenTechnical

OT-2026-000068175

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000068175) never changes.

Identity and time

Publication numberOT-2026-000068175 · never reused
Internal UUID01a0ae8f-c4ff-7224-801d-4b485a4c2c15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068175
StatusPUBLIC

Content hashes

Canonical textaaabdb3a2a32909459bbd42fba34ce7c7aa9d2de6f44f61ad47377113be12e16
Markdown9fcb24cc6a0b694ac989148d14bc3f2138c718e85c86677d10fc85ed95386dd4
PDF
Publication paged94ea7fe8bf8dbd5b9b91d6c9ebdb67a0e4848e7f7ba047724e2196a552fa473
Manifest956f2f4982b9bbbabd93ba09a5422d2ce5568af9a66c00a51aabf2d70fb921a3

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
SignatureJJAZA0TrSF8Nee+a1KuLeuFdXRXWoE6s5aAd/JwYdjJaHqGNKFlypv5qzNWYrASM//8VK27qzZI/g+ew+iBcCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:49.837166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068175
observed d94ea7fe8bf8dbd5b9b91d6c9ebdb67a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.820697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068175/manifest.json
observed 956f2f4982b9bbbabd93ba09a5422d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.803846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068175/publication.md
observed 9fcb24cc6a0b694ac989148d14bc3f21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.785819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068175/publication.txt
observed aaabdb3a2a32909459bbd42fba34ce7c...
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.