OpenTechnical

OT-2026-000015435

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two 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-2026-000015435) never changes.

Identity and time

Publication numberOT-2026-000015435 · never reused
Internal UUID01a0ae6d-ef49-7c23-bd12-b586d6347e9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015435
StatusPUBLIC

Content hashes

Canonical text185ad2394312b3900dea4cea047f294cf5431bf15d06572e1dad2b315e84b925
Markdowne173b57b7541d2012f0263bc8aab3300e119faea540fa2d0fd6ff4bffd159492
PDF
Publication page53413d804d22f817ad759544387f2cb774e2de92ea2b7941ef26ac327226b424
Manifeste389f7b548fd2815cc4e6e50aa111f8ba1d98b221407aaa62b574547d88251f8

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
SignatureP/xVA1YxoBO0aQHs9wLWe8DdMBnSskCGSuyWXwQcc7wMLSoIsO8rczjyWQpEKdHccKVGUKmdWCUgfPtQz7ACCg==
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

2026-09-17T12:06:10.470176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015435
observed 53413d804d22f817ad759544387f2cb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:10.448421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015435/manifest.json
observed e389f7b548fd2815cc4e6e50aa111f8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:10.426651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015435/publication.md
observed e173b57b7541d2012f0263bc8aab3300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:10.404425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015435/publication.txt
observed 185ad2394312b3900dea4cea047f294c...
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.