OpenTechnical

OT-2026-000014539

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000014539) never changes.

Identity and time

Publication numberOT-2026-000014539 · never reused
Internal UUID01a0ae6d-b27b-7e8c-acbb-da13e85fb14b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014539
StatusPUBLIC

Content hashes

Canonical text1cffd779d61ab9a8513219477d7bb5bdcfbe8b60bf7120eafef4c0387e5a092c
Markdownb09eb93ae06cdc0b74131cd3ca86cca1d3c0fed2ae4f185f7b5254fafc897fee
PDF
Publication pagef5b0a4ff96c961b85673b199b9a93331586849ae80814f87673b2aded3593c00
Manifestcbdf3c98e7a1d49e6d84a3059525bece94a90230b18148929508901c771ba654

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
SignaturepJekvGYjZOGu4kJc++AgCi2oIpTIuLVzrlLuoj7pfO01Vauh/Z6MEhHcJg5TK63/kTb2XX8nL1pISIzjP5FUAQ==
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

2026-09-17T12:10:23.168702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014539
observed f5b0a4ff96c961b85673b199b9a93331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.149628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014539/manifest.json
observed cbdf3c98e7a1d49e6d84a3059525bece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.129583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014539/publication.md
observed b09eb93ae06cdc0b74131cd3ca86cca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:23.110331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014539/publication.txt
observed 1cffd779d61ab9a8513219477d7bb5bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.328151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014539
observed f5b0a4ff96c961b85673b199b9a93331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.312256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014539/manifest.json
observed cbdf3c98e7a1d49e6d84a3059525bece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.294790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014539/publication.md
observed b09eb93ae06cdc0b74131cd3ca86cca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:26.276955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014539/publication.txt
observed 1cffd779d61ab9a8513219477d7bb5bd...
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.