OpenTechnical

OT-2026-000021194

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000021194) never changes.

Identity and time

Publication numberOT-2026-000021194 · never reused
Internal UUID01a0ae6f-865b-78eb-a331-309d69c4a1e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021194
StatusPUBLIC

Content hashes

Canonical text2a3d100d374e043ce8a62973fe60c130c1cec45be99b5f54d0fd27c46220f975
Markdown5ca6db2cfcd81be879bd08f7d703131b011a86d9101928d9a2bd7498e256f948
PDF
Publication page27ad993a19c852f6f117181045e1ce94f36357afc7370d5d44411a7123efc369
Manifest55e31aef360a948951bc495d5c99166907be25f4f4b1871403445fae76ebdef7

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
SignaturehEBPjlM4Sy2J62Pc8cxf/OE+gKU0SxiVEVvZPaahbyqUQsU0ErARP7hKSKhOfd6PA2mRltwYPSPEg7elXIyvAQ==
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

2026-09-17T11:54:59.305127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021194
observed 27ad993a19c852f6f117181045e1ce94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:59.288287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021194/manifest.json
observed 55e31aef360a948951bc495d5c991669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:59.270048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021194/publication.md
observed 5ca6db2cfcd81be879bd08f7d703131b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:59.249499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021194/publication.txt
observed 2a3d100d374e043ce8a62973fe60c130...
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.