OpenTechnical

OT-2026-000069218

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000069218) never changes.

Identity and time

Publication numberOT-2026-000069218 · never reused
Internal UUID01a0ae90-6dcf-7de2-ad96-523fca3ad0e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069218
StatusPUBLIC

Content hashes

Canonical text6d6309fe7e147efcda28a7cbfc86e55968170148542ee61a615fbeffe667a9a6
Markdownfbde4bdf434e92a04abe00445fb5fbe25a7a09c48eaa08f2dcf7cb60c5821671
PDF
Publication page1e72bfbcbb0ba4fae3beb4990e4a7d11dd38a26c7d9c6d2442a3668cb0544e47
Manifestbdb0827fba09d8459886c78f5004227ec53b3f35547003334a3f941605e8f5b2

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
SignatureCDMfgSCMnOHHvdi8yW8zUFi6/e18eizFbq2lc2hp4ACwd+zeDPzdCelYlejbHHyefrAVlq20ptYBinMLu8dOCw==
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

2026-09-17T10:28:57.989774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069218
observed 1e72bfbcbb0ba4fae3beb4990e4a7d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:57.971656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069218/manifest.json
observed bdb0827fba09d8459886c78f5004227e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:57.954064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069218/publication.md
observed fbde4bdf434e92a04abe00445fb5fbe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:57.933654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069218/publication.txt
observed 6d6309fe7e147efcda28a7cbfc86e559...
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.