OpenTechnical

OT-2026-000049511

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000049511) never changes.

Identity and time

Publication numberOT-2026-000049511 · never reused
Internal UUID01a0ae81-8f7c-7615-a6d1-3cbf2b0cba92 · 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-2026-000049511
StatusPUBLIC

Content hashes

Canonical text094cd8ba3033af5ac1e57410ad4a921b06f0c39123f7e8769a207074ff13e3ce
Markdown4cf598a2a39c8425707f9ae07f116241cc40d29a202d4f237879e00f091836bc
PDF
Publication page73e90da6e7003006cbf493124450bf27271a378739d99727bcad3d05ae3fd688
Manifestfae762565826e729611be3ff9ff0cea2aaa850a52b249579290786434f2d4963

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
SignatureOITB1HSgG1yy9OOrVrdMFMUKl3YKQXqvNY8KC7RFT1zSsYRDCjwHzxE66gQjRcdbk9Y7Oy7YRmRKbjNpzvnXBQ==
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

2026-09-17T11:02:22.022318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049511
observed 73e90da6e7003006cbf493124450bf27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:22.003156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049511/manifest.json
observed fae762565826e729611be3ff9ff0cea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:21.985505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049511/publication.md
observed 4cf598a2a39c8425707f9ae07f116241...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:21.966970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049511/publication.txt
observed 094cd8ba3033af5ac1e57410ad4a921b...
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.