OpenTechnical

OT-2026-000040172

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000040172) never changes.

Identity and time

Publication numberOT-2026-000040172 · never reused
Internal UUID01a0ae79-26ff-7d4c-a17d-40142b25ac11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040172
StatusPUBLIC

Content hashes

Canonical text4990d2579e4d945c44a8ece4ade2cdb2ab3e6244158c28faac809010420d656e
Markdown45ccd18396c8fb2bbc2787b841911b764638b486a68d88bcc7e0ece8018d9995
PDF
Publication page51b2fd379f2dc2b682bc4c3bfb1e6dec5822f3223e8117749d8f5c90df380eb4
Manifestadb490041acaab9066dc956e86d80493fcfd69566494350a6df7948dfc2bdd07

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
SignatureyQ110uQukX56FPBKi1p/d9OpqWd+ETLRDnuqv2WYTQcbjB4ftxtAWf4psIAoTKXdR17RJK4zspNdSdpOSdk3Bg==
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

2026-09-17T11:19:03.017815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040172
observed 51b2fd379f2dc2b682bc4c3bfb1e6dec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:03.000769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040172/manifest.json
observed adb490041acaab9066dc956e86d80493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:02.984945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040172/publication.md
observed 45ccd18396c8fb2bbc2787b841911b76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:02.968594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040172/publication.txt
observed 4990d2579e4d945c44a8ece4ade2cdb2...
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.