OpenTechnical

OT-2026-000030292

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, sustained 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-2026-000030292) never changes.

Identity and time

Publication numberOT-2026-000030292 · never reused
Internal UUID01a0ae73-e501-703b-ae34-1f22d1fb9fc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030292
StatusPUBLIC

Content hashes

Canonical text9e027810e492121363a2e2b5060480198b878756101c65d37e54b0360e7a5810
Markdownc6aef3db91f3fb86a10ef202bd1fe84f071faf71734fa7243745c0eb5106e686
PDF
Publication page47b7845ba4af8e6c944c54c132f5f0678a6b5e24e1e8fae9bcd83aba26cefba2
Manifestb6412dd218430895730042b8132301de8a6e4949e013ce2ffb13359feb1ba57a

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
SignatureY3vzotgz5pC2dmkyHyLjmZxHh3HlN3/iyojumyf/1sb6YUN+V24G5eC3ASbwkGcNkQ4Fa1lKWAdtxIRSnXvmBw==
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

2026-09-17T11:37:57.670963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030292
observed 47b7845ba4af8e6c944c54c132f5f067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.649492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030292/manifest.json
observed b6412dd218430895730042b8132301de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.631927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030292/publication.md
observed c6aef3db91f3fb86a10ef202bd1fe84f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.614018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030292/publication.txt
observed 9e027810e492121363a2e2b506048019...
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.