OpenTechnical

OT-2026-000098522

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line 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-2026-000098522) never changes.

Identity and time

Publication numberOT-2026-000098522 · never reused
Internal UUID01a0aea1-e966-76f3-92fe-2e14d87e4041 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098522
StatusPUBLIC

Content hashes

Canonical text845fb78f1b93a29c5d197c9444c08caa953f07c68d38dbe7d4beabbb6dfd2f0f
Markdownd392cf2e58bc2ff125fec5fbbabb1059a1816e3c0bc324f1bbbfc82052f89f0d
PDF
Publication pagee8ff9f7b90f7a21b24d649a6f1f2077087d48a1c6b595682477a791628b07c8b
Manifestac47ba4cff1fb34a7ebf02fdd7d92eccdafb88e74e7f6a9e61e40a12e2adc3de

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
SignaturelvMf9okE20M+CeQDvFdOyJ91D+d+nmVLM1Gdriv5D+GbHzw1eLIBuXW2hG6VYYlcb0S+xd3o5e+mWpD3AFu4Dg==
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

2026-09-17T09:32:23.975147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098522
observed e8ff9f7b90f7a21b24d649a6f1f20770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:23.957804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098522/manifest.json
observed ac47ba4cff1fb34a7ebf02fdd7d92ecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:23.940168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098522/publication.md
observed d392cf2e58bc2ff125fec5fbbabb1059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:23.921522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098522/publication.txt
observed 845fb78f1b93a29c5d197c9444c08caa...
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.