OpenTechnical

OT-2026-000027152

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000027152) never changes.

Identity and time

Publication numberOT-2026-000027152 · never reused
Internal UUID01a0ae72-3454-7c13-809c-b21d60af5462 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027152
StatusPUBLIC

Content hashes

Canonical text586358274f654475de4c0bc9516b83219fce47ade78239a839e39ae0b945a0b6
Markdowndc3759d4ca87b3bb26753068c3ffc57edda1cf2dd255d5d02e2e6e3e1e764033
PDF
Publication page254d4d1d7f94a3913476449cdaf0765ea80ff6f7bba63f65ee35155d72986a3c
Manifestc453676ca3501f7b39cdf4d069da1d0841ad96744cf0f50bee4f93b20ea901ce

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
SignatureY0vPxLGzmBU/epwfL4H4haIgqtXomqRGTgx+cXZwoKQwmyMFgz/Bd1Tt8Bf+p3HO0QdZcsKgeH6hbPBvOPcSAw==
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

2026-09-17T11:43:55.881420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027152
observed 254d4d1d7f94a3913476449cdaf0765e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.865723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027152/manifest.json
observed c453676ca3501f7b39cdf4d069da1d08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.846918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027152/publication.md
observed dc3759d4ca87b3bb26753068c3ffc57e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.829134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027152/publication.txt
observed 586358274f654475de4c0bc9516b8321...
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.