OpenTechnical

OT-2026-000049627

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000049627) never changes.

Identity and time

Publication numberOT-2026-000049627 · never reused
Internal UUID01a0ae81-8fed-7b6b-bf0a-a6482525cec5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049627
StatusPUBLIC

Content hashes

Canonical text351f171a8e0e7e1e55f5c3968ff0929a83f7a35d0137908ca81434ff28845498
Markdownfbde9dc86d34a70cbca8f9573403d17af43e1de0a4495ec51e96728f9ee52ee5
PDF
Publication pageb9e229afe707a8c6f9134acd3d814aac016d90bc6f5666d6f5cc6fe563e3e043
Manifest052d26fb7ab03f4d5d78bfe207725e9e904bb8d30f1a51691ba2d678234334e0

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
SignaturepDWR1wIhcFZGuGyGESE3j14JFUW31izaWONfapoD1sAdDpb7bFB+YUo/KMCUx3nbaDL7WhFnGJo0TgB2eGiJAw==
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

2026-09-17T11:02:37.079439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049627
observed b9e229afe707a8c6f9134acd3d814aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.060507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049627/manifest.json
observed 052d26fb7ab03f4d5d78bfe207725e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.042794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049627/publication.md
observed fbde9dc86d34a70cbca8f9573403d17a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:37.024226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049627/publication.txt
observed 351f171a8e0e7e1e55f5c3968ff0929a...
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.