OpenTechnical

OT-2026-000011803

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, 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-2026-000011803) never changes.

Identity and time

Publication numberOT-2026-000011803 · never reused
Internal UUID01a0ae6d-1941-7ab6-8e35-d706aa7010db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011803
StatusPUBLIC

Content hashes

Canonical textc6930f1b23001ef8cd2e60a8bde133e5fdd66443738c7d28c9b89af673beb0d9
Markdown32b12a8ad8a395de5b4dc9c999c286e746553c413850a927a1cc106c4f4e3c2f
PDF
Publication pagec2dffb8b503a85a60241b7d8756d003adfd569d5d8212dc71a184158ea8b8ec8
Manifestd988378b615c4922971e39fa0843e0789813d8ff218495db3a93beaac904ab3e

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
Signature26j0g6gQmSdKEKCdAxdW2QiyHIiGvNxuJjDsLESH8741hB6fMcnEM77ZI03bQpW6B6Zz/cznXFNBFp6BXqhyAQ==
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

2026-09-17T12:12:31.764233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011803
observed c2dffb8b503a85a60241b7d8756d003a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:31.747690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011803/manifest.json
observed d988378b615c4922971e39fa0843e078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:31.730389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011803/publication.md
observed 32b12a8ad8a395de5b4dc9c999c286e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:31.712640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011803/publication.txt
observed c6930f1b23001ef8cd2e60a8bde133e5...
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.