OpenTechnical

OT-2026-000062528

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000062528) never changes.

Identity and time

Publication numberOT-2026-000062528 · never reused
Internal UUID01a0ae8c-0ac1-78d3-9c55-4cc02d601514 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062528
StatusPUBLIC

Content hashes

Canonical textc6955d45fe45093b8a30f78f8133b51fbef6be249b082cf5f427d42a5490b9bd
Markdowndd052be9b6bdbef694a3dfb4d49a81b2177b2e4a20106ab8964e07bf9570bf82
PDF
Publication page9aed4ae5fc9dc6151e6020b7d1505054368f36a462bfa7a5083ba40cf0cba1b7
Manifest589c4faa66b151e431a08a6368a3f438a17b1fb93a6ca9aa09caf430af684b84

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
SignatureZek9JJDeb35aq+YpmFf3sT07dkCPgDbnJX2+75G+RDF++/SI715jMTUhv4AU7DcdhYR++sPjsR/gqeNtrUkYAQ==
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

2026-09-17T10:39:59.230838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062528
observed 9aed4ae5fc9dc6151e6020b7d1505054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:59.210368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062528/manifest.json
observed 589c4faa66b151e431a08a6368a3f438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:59.190038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062528/publication.md
observed dd052be9b6bdbef694a3dfb4d49a81b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:59.169270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062528/publication.txt
observed c6955d45fe45093b8a30f78f8133b51f...
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.