OpenTechnical

OT-2026-000099506

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000099506) never changes.

Identity and time

Publication numberOT-2026-000099506 · never reused
Internal UUID01a0aea2-c974-7309-8dc2-5d393522737f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099506
StatusPUBLIC

Content hashes

Canonical text21f404b7595ccddfda5e22ed5c2466d4f460a193670d70a0380170e38517a890
Markdown572b92a49257b453f89a2b83496432c23b38f58ae566b2248e8c891b3c127adb
PDF
Publication page222bddf81b689f75687bad91fc04706213647dfabab1e0f61e2dbdd88d13bbf1
Manifeste29864d8d9bf6436e3a975525d2a770dde15de6b1368131a8f74a03922968038

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
SignatureY1QzIcCrYhIzMCh3qNFB3kNyRv5+Fai05+CVzJ6Zzn67aIIiJtgG6rJ+Qz+Ar558jg3S8HLvPU+tsx6sdKVSDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:13.550430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099506
observed 222bddf81b689f75687bad91fc047062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:13.530791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099506/manifest.json
observed e29864d8d9bf6436e3a975525d2a770d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:13.512710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099506/publication.md
observed 572b92a49257b453f89a2b83496432c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:13.468370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099506/publication.txt
observed 21f404b7595ccddfda5e22ed5c2466d4...
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.