OpenTechnical

OT-2026-000024638

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000024638) never changes.

Identity and time

Publication numberOT-2026-000024638 · never reused
Internal UUID01a0ae71-2725-75ae-8cb2-98ffbea3b696 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024638
StatusPUBLIC

Content hashes

Canonical textad88435f5a896ba45491505d87e450f646adf0db546d79e9b65c0caf70d2276e
Markdown4a292357021956057d473c90b4f5913106423c5586e1b77cab7bd9550dda6f89
PDF
Publication pagee7b5011a8ed09d8a3db993bfb428b9eea07cfcb4b7ce2cd66521b542131129c7
Manifestd95c9806d1782a524590ffaba70f4e030cbdc8ab3f11b4dda2c0ad0f6a15c3ac

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
SignatureumlcBNKqyKJIHouLJvMqHz0AFPszqH2Zq/P637vgzxyL9zEKSnVYet+FaMRQjjKyPcbEe9LuFviw17JZDQgzCg==
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

2026-09-17T11:47:49.953049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024638
observed e7b5011a8ed09d8a3db993bfb428b9ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:49.934465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024638/manifest.json
observed d95c9806d1782a524590ffaba70f4e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:49.915963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024638/publication.md
observed 4a292357021956057d473c90b4f59131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:49.896294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024638/publication.txt
observed ad88435f5a896ba45491505d87e450f6...
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.