OpenTechnical

OT-2026-000012802

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000012802) never changes.

Identity and time

Publication numberOT-2026-000012802 · never reused
Internal UUID01a0ae6d-5563-70cd-b552-260e9733720c · 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-2026-000012802
StatusPUBLIC

Content hashes

Canonical text27cd2f484acb978342a1406ad551975fb30c61c79bed78de2ede64a8edd0f643
Markdownc4093e0fc636c1dc3450f25705c568a8099fba6592bc59deb6cc2fdd3a50dfe3
PDF
Publication page2ba658f84e8ec9aab90b4e71f22438a7139d51d8b36134ffe75766803afb85c6
Manifest4bfb9628cf19228218e1a80a647e99cce9a1197baf1286d0105e0aaad2a1873d

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
SignatureJ6CQpDnOnrHS8oXGqjwOIOBe4GRwdlx9lL7AUlmTd65QuGXFTsCS/l8COxD5Phh6rSspj+mqwAdPZO+jJvgKAQ==
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

2026-09-17T12:10:31.808334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012802
observed 2ba658f84e8ec9aab90b4e71f22438a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.787903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012802/manifest.json
observed 4bfb9628cf19228218e1a80a647e99cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.767156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012802/publication.md
observed c4093e0fc636c1dc3450f25705c568a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.746405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012802/publication.txt
observed 27cd2f484acb978342a1406ad551975f...
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.