OpenTechnical

OT-2026-000032030

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after set-down

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-2026-000032030) never changes.

Identity and time

Publication numberOT-2026-000032030 · never reused
Internal UUID01a0ae74-bad3-78f1-95d0-9f8abbcad37f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032030
StatusPUBLIC

Content hashes

Canonical text7190b813756922b2511c2b519dc11bfcadf6ac84e20cd2365e44f7606a12806f
Markdown0ceb456c633d4c94a3bc443167374850e653465d29a60e6bacf9e9b52f9ad45d
PDF
Publication page739a835868df1fafdd1ead6aeca1d79b0e820b3f6e937a275536c18c398c57bd
Manifest40063488e611eb1a655820db34848052d3e9cc7d0d2b2bfe882f75ce574a5136

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
SignatureRG3CkEqS/JDovWArxzQxTl+hfeILkfdouyKjeopmncJ7RkKgUK74K3qtBmZrraIAYmdb8savHzQxRPV9e5ZJDQ==
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

2026-09-17T11:35:26.392432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032030
observed 739a835868df1fafdd1ead6aeca1d79b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:26.374058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032030/manifest.json
observed 40063488e611eb1a655820db34848052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:26.355386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032030/publication.md
observed 0ceb456c633d4c94a3bc443167374850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:26.339253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032030/publication.txt
observed 7190b813756922b2511c2b519dc11bfc...
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.