OpenTechnical

OT-2026-000008897

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000008897) never changes.

Identity and time

Publication numberOT-2026-000008897 · never reused
Internal UUID01a0ae6b-31b7-77f3-84db-25e7609c3fc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008897
StatusPUBLIC

Content hashes

Canonical text5ff1b797f6f592d14a22ffc7a7bd02116882a0ef9190117bc706530a128a6d3d
Markdown331bb66e2d50e244330cd96b928681f75baaabd04d11a1d3263592577918919e
PDF
Publication page1fe044c3cdc3c50b1e367f47cd483ddfa8a012c0f90b45b945d01a4886e996fd
Manifestd1d01a8318f9128994c10d7f35c315b323c6e1b4e96f3d11c60dbda56a78e1f4

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
SignatureG7MWuCG3Z4YQA2OOCISNifnteoNvqVqSu8uaodwrHTPOi9K5cTIHpsjUxWfjbauWUp3ekpJujC+u4Ovxm5VpDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:29.749764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008897
observed 1fe044c3cdc3c50b1e367f47cd483ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:29.730591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008897/manifest.json
observed d1d01a8318f9128994c10d7f35c315b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:29.714081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008897/publication.md
observed 331bb66e2d50e244330cd96b928681f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:29.696258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008897/publication.txt
observed 5ff1b797f6f592d14a22ffc7a7bd0211...
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.