OpenTechnical

OT-2026-000019786

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000019786) never changes.

Identity and time

Publication numberOT-2026-000019786 · never reused
Internal UUID01a0ae6f-1fb4-74c6-9bb5-4a0fc0f0f946 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019786
StatusPUBLIC

Content hashes

Canonical text16e47d7377358be677e70f7f93690b7290843077c79f64767b56d021c90b8a91
Markdown904f74dd25e77161986a7ec390e302d1440d42fb189f965e91ec49cad997f5b9
PDF
Publication page4c8b7abce4239359fa6d32b722de663063df3c1cfdc00cb9a063f8ae80ccac26
Manifest79a2f24fe85b3b790fa60444f87872c57943dc1859a3e58b52068bcb190193a2

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
SignatureeLHeLZKXPBTRslf6lMYr/5eQktm64+kt4J03imCd+Qo+IWnfVX8Mu21wJSdRdIwQzwjVRRxpAnUlFy113rriDQ==
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

2026-09-17T11:57:57.876787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019786
observed 4c8b7abce4239359fa6d32b722de6630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:57.855237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019786/manifest.json
observed 79a2f24fe85b3b790fa60444f87872c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:57.834725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019786/publication.md
observed 904f74dd25e77161986a7ec390e302d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:57.815689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019786/publication.txt
observed 16e47d7377358be677e70f7f93690b72...
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.