OpenTechnical

OT-2026-000049651

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-2026-000049651) never changes.

Identity and time

Publication numberOT-2026-000049651 · never reused
Internal UUID01a0ae81-8fee-701c-856c-377822cbbb7c · 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-2026-000049651
StatusPUBLIC

Content hashes

Canonical text5f80bc25ded5ffde7e33dc2d90d41fd12514e4b178d0b7ac3d780ade6a018775
Markdowne5d76d58ee5f36a0873eef37264421ffcc7501582b4259d5de7d9f009f783d4b
PDF
Publication page678875543e23142ffb39552fc12d03e77c8155e899026f73a297035218d6263d
Manifest31273be52484000bad974d916a18cfda8a3094d7d235bea03c35082421f5d374

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
Signature6heehYKZpK3jCN0rEt6LlS5eQpJlSV5tjdeoCpDgkP/kHLoLbWX9BRFqddqGMcUdgY/NwIWjxkrVTgWzgM6CCg==
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

2026-09-17T11:02:38.972746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049651
observed 678875543e23142ffb39552fc12d03e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.954039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049651/manifest.json
observed 31273be52484000bad974d916a18cfda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.936359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049651/publication.md
observed e5d76d58ee5f36a0873eef37264421ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.918332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049651/publication.txt
observed 5f80bc25ded5ffde7e33dc2d90d41fd1...
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.