OpenTechnical

OT-2026-000010821

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, vented after set-down

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-2026-000010821) never changes.

Identity and time

Publication numberOT-2026-000010821 · never reused
Internal UUID01a0ae6c-540c-7f41-9cee-4d4f5c28e825 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010821
StatusPUBLIC

Content hashes

Canonical text69a44ad751601e435a9613926dcd10058d6bf4623b86e6512cdcc0d4254c3595
Markdownb5bae25f533955e254b34162f37fc364be0fcf59b6067b74e6764a573943c773
PDF
Publication pagec69f0cfa9add440ca548e77a964c945141e0d459c9ea9f79131653c09b416ca8
Manifest034bbcd6200313ad30b3eee09160a4285ce9b84e23b493d3173e459a59e8116d

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
SignatureZvGIXolmIgK9dDAysSExERmagv8DotePUxzGA6uAxfPQG+n0eksUtd4uxm4QMzpxs6syBWIR9k9QNXgzLoBUDA==
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

2026-09-17T12:13:33.386868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010821
observed c69f0cfa9add440ca548e77a964c9451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:33.369342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010821/manifest.json
observed 034bbcd6200313ad30b3eee09160a428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:33.350296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010821/publication.md
observed b5bae25f533955e254b34162f37fc364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:33.330174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010821/publication.txt
observed 69a44ad751601e435a9613926dcd1005...
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.