OpenTechnical

OT-2026-000051446

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000051446) never changes.

Identity and time

Publication numberOT-2026-000051446 · never reused
Internal UUID01a0ae83-7c80-7826-92f9-034220557c81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051446
StatusPUBLIC

Content hashes

Canonical text42c4328924d5fbf4d821605bd20ae601d6e617459cfcde4ee534f01398acf79a
Markdown2408c21eb4657f556698e207db889b400e5f914cdade990b08074f532bf2d5df
PDF
Publication page2bbd1268cc92adb2a6c68ba3b24670ed8ed1741099476bb4e177e3ca80cdbeec
Manifest23084fe7ca72d2f2035f9e0c0a77996790197673e94eb712dce12e5c57cb43f9

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
SignatureLw5BfuCCD69fiXQ+/No0tfO315iEF/exZuJc1SntuKsANRU4E5+tNY526lkZTxejUvJ6c67BZqU+23P68SMCDA==
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

2026-09-17T10:58:10.302706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051446
observed 2bbd1268cc92adb2a6c68ba3b24670ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:10.284944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051446/manifest.json
observed 23084fe7ca72d2f2035f9e0c0a779967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:10.267980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051446/publication.md
observed 2408c21eb4657f556698e207db889b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:10.250651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051446/publication.txt
observed 42c4328924d5fbf4d821605bd20ae601...
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.