OpenTechnical

OT-2026-000049677

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000049677) never changes.

Identity and time

Publication numberOT-2026-000049677 · never reused
Internal UUID01a0ae81-8fee-7e2e-bdfa-9fa6ab068003 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049677
StatusPUBLIC

Content hashes

Canonical textd22313e7a3198a6fcf43f733ea0e02f1c8eb8c3aebdf5eeca7ebd325fcc39cc0
Markdown1235ea3ab0d3b55e6943b98f28dc4e1687bb6b207c69b5f961259dcbcdb0647f
PDF
Publication page2071bec45cb85ea5bc88082bcf6e2ee55a20681f8b9652cd153f538f66402e19
Manifest7200b212f8e88c91feb62c86dd38bc2c74aa991e2ed6849c9400b0222e245e31

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
Signaturei4wPp6Dtc138rJ56jjBg/1kAMWSu9KkbRhvkUREvRu8ajM7tI3tp9IUSRlKYgpq6oS09ClKydleB7WTAsMosBg==
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

2026-09-17T11:02:41.021456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049677
observed 2071bec45cb85ea5bc88082bcf6e2ee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:41.002899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049677/manifest.json
observed 7200b212f8e88c91feb62c86dd38bc2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.983533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049677/publication.md
observed 1235ea3ab0d3b55e6943b98f28dc4e16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.964624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049677/publication.txt
observed d22313e7a3198a6fcf43f733ea0e02f1...
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.