OpenTechnical

OT-2026-000041472

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000041472) never changes.

Identity and time

Publication numberOT-2026-000041472 · never reused
Internal UUID01a0ae79-b145-7221-bae2-3dc132ddc0d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041472
StatusPUBLIC

Content hashes

Canonical text6a3fee4fcf2d5a8222a4b0ca58516aefd73f0cdf6a831e3829b05d11cdea18fc
Markdowne36dc2ae2daf40ceb6d5f6116a777470025fa0843621b498fb0f6db7c71548b9
PDF
Publication page461d3e619aa22c92ffd6dc3bd5ba96b5782f27f85674dd7dc4aec577b3dcb9e8
Manifest299a7180d2736fb922ceef18b8a519cb2d859ae8c3ab82f1ca46b4ea7a6859bf

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
SignatureNtADrBcCME+/0oJA1/ePq4E3i3FCGPIFfVy4oyLgF1MfXsq9ig7WqiJ8pLmX198ZzLB1G5cCtsbEKCNG6SNdCw==
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

2026-09-17T11:17:30.131154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041472
observed 461d3e619aa22c92ffd6dc3bd5ba96b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.111098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041472/manifest.json
observed 299a7180d2736fb922ceef18b8a519cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.093938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041472/publication.md
observed e36dc2ae2daf40ceb6d5f6116a777470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.074015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041472/publication.txt
observed 6a3fee4fcf2d5a8222a4b0ca58516aef...
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.