OpenTechnical

OT-2026-000012769

Publication integrity record

Single cup vacuum gripper, single stage ejector, 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-2026-000012769) never changes.

Identity and time

Publication numberOT-2026-000012769 · never reused
Internal UUID01a0ae6d-5562-7d2e-b96b-db5f0a260e62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012769
StatusPUBLIC

Content hashes

Canonical text3a8ae84001417f81c7a6c78579dd5a430bc82f503d26a2b5cdc4f7c74c531b05
Markdownd481ba3a48fa938fe7a93cfde43cfe0a06feb2afb979b5e9aa435fb635d7c4d5
PDF
Publication page1c14aa8461e224d4892f708ed103afcf1811d061ffc63d7f4c9d90c2b19b2463
Manifest55236aa514934a0776b62e83c465159f2119f0b301b390aaf51b42e257974e90

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
Signature0S4kFWoc+r3uYgzk9X4w5F0N6LgxxJwpYVL9osvP8OyHFGAIbTuCT6h2k6PycoYYV4ELiZ1ahaFBXHWWC2wMBg==
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

2026-09-17T12:10:28.902378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012769
observed 1c14aa8461e224d4892f708ed103afcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:28.883793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012769/manifest.json
observed 55236aa514934a0776b62e83c465159f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:28.864704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012769/publication.md
observed d481ba3a48fa938fe7a93cfde43cfe0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:28.845523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012769/publication.txt
observed 3a8ae84001417f81c7a6c78579dd5a43...
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.