OpenTechnical

OT-2026-000033690

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, pulsed 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-2026-000033690) never changes.

Identity and time

Publication numberOT-2026-000033690 · never reused
Internal UUID01a0ae75-a390-7c20-8a81-c9c52079f7fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033690
StatusPUBLIC

Content hashes

Canonical text39c087ee0d20abea2e1d96dc199753cfc3f8de650b590757b0545201d167fec1
Markdown34f4837766b1a39bea1ce0f296b86e9627a007d78be3f06b4ab29a4bec81a8e7
PDF
Publication page4b203a956591cd4ae81517811b7d5acc5620ad12010115476ba8b2ccf8ab7019
Manifesta5296242f50800dd081711c496ad5b97aea4064e58560ecd3b941ccde2cfee95

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
Signature5Nu7PgUz3bDs1SMTUsSduumB30dryvx8P0h2po4GzxPdWwsApePTRcXgNgX9Hyo9/oCO2eIe4YWyC3EGF/0hDw==
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

2026-09-17T11:31:41.040004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033690
observed 4b203a956591cd4ae81517811b7d5acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:41.022861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033690/manifest.json
observed a5296242f50800dd081711c496ad5b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:41.006331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033690/publication.md
observed 34f4837766b1a39bea1ce0f296b86e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:40.990020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033690/publication.txt
observed 39c087ee0d20abea2e1d96dc199753cf...
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.