OpenTechnical

OT-2026-000062135

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000062135) never changes.

Identity and time

Publication numberOT-2026-000062135 · never reused
Internal UUID01a0ae8b-b8b0-7e62-922d-245b66ed4c96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062135
StatusPUBLIC

Content hashes

Canonical text8660048d5c2e8ac485eee21a9bc4a6afeda558c913f200da3f969dc09cdf22ed
Markdown20fc8501eb17c2602c505e63ab08230c9753d4dd83e2dc00bb45abbb58242f0b
PDF
Publication page1e1b76ae25f64d11e7f9c6087f82fd84e8d7217bcc2806ef75c31558420fed03
Manifest4987571cd30cc4b4e5ae11cfa7373e9a31ff1b35dc7ea4986cb6268aac3a714f

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
SignatureGFlIby75iREFpdqDRb0Jvyj1IcGMwRCQt4LZN3J5ars/VvK+7Sd8en3IE6ejQ2n3+4+DioNQF4y8hUzc5Z8uAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:12.122118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062135
observed 1e1b76ae25f64d11e7f9c6087f82fd84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.104704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062135/manifest.json
observed 4987571cd30cc4b4e5ae11cfa7373e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.086810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062135/publication.md
observed 20fc8501eb17c2602c505e63ab08230c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.069485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062135/publication.txt
observed 8660048d5c2e8ac485eee21a9bc4a6af...
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.