OpenTechnical

OT-2026-000041887

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000041887) never changes.

Identity and time

Publication numberOT-2026-000041887 · never reused
Internal UUID01a0ae79-e8a6-7453-8314-1526ef6f97c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041887
StatusPUBLIC

Content hashes

Canonical text7e758517d72f4da2e784e4bec1da90338770a93e5f0ece820a18da5f4742a07b
Markdownf3e89bcdd239153d95eaea1d1193969bd1ce0a54e17da25ef74e8886e27d336c
PDF
Publication pagefe0f5f8d470383b3cf0a9d80722475b7eb422babf234c62fce80ed932c17a477
Manifestd964f67728e2d607d478f107e7c976cbecc2c97129c92cc0ea19349a56da7420

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
Signaturecpuv9CgWsZ9uCQLUfrWBhxeffBiK8VfyR2j7fGkujYISwvpz4nQbgqlyeg4exjJQkGqKx62F558UPoNF2I3EAg==
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

2026-09-17T11:16:45.830175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041887
observed fe0f5f8d470383b3cf0a9d80722475b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:45.811182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041887/manifest.json
observed d964f67728e2d607d478f107e7c976cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:45.792590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041887/publication.md
observed f3e89bcdd239153d95eaea1d1193969b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:45.774451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041887/publication.txt
observed 7e758517d72f4da2e784e4bec1da9033...
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.