OpenTechnical

OT-2026-000027472

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, sustained 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-2026-000027472) never changes.

Identity and time

Publication numberOT-2026-000027472 · never reused
Internal UUID01a0ae72-6998-7087-98d1-3903ee60e7fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027472
StatusPUBLIC

Content hashes

Canonical textd6923ea5bcea714956028568ebde02dfe6909ef4e02d579ba7901923efaba454
Markdowncf665a085b294aac004e8200b2cdf4fde50f3dc357e4a45a0e926ab9775e310e
PDF
Publication page5a1f5d18c2ec23fefa5a22f90eba8c767c96897bb0bb4ddb5fe1491d3225f9de
Manifestb95201cdba92188f39b41044eb44b6e632795e2c6fbc5e72916e8ce308076f07

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
SignatureOINY69l79oJUk7tybgFeDgeoqfGwjpE2rG0S0D93yh/cSdvXPObhnopZablJ08hHQ2506GuypUXh7W1QgdnnDA==
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

2026-09-17T11:42:56.012157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027472
observed 5a1f5d18c2ec23fefa5a22f90eba8c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.995079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027472/manifest.json
observed b95201cdba92188f39b41044eb44b6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.978209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027472/publication.md
observed cf665a085b294aac004e8200b2cdf4fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:55.960269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027472/publication.txt
observed d6923ea5bcea714956028568ebde02df...
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.