OpenTechnical

OT-2026-000047500

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000047500) never changes.

Identity and time

Publication numberOT-2026-000047500 · never reused
Internal UUID01a0ae7f-3e58-784d-a54c-694b66fd41df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047500
StatusPUBLIC

Content hashes

Canonical text9d41bd4455ded60f8849aa8b8e0511633d7f93de2c6469242d122faeaf8decb3
Markdown624f721005fac5880bb5c598c6369eb013401e54c1d79bef06e3b0b1c26c32f6
PDF
Publication pagee3ce23ff7db37a1d37b8ec9a4bd717c2a07a71adbd020c4b2bfd4539b7cfc3ed
Manifeste388b8b58055bb9d129c15dbd25de4ab73f2e7c578cbdc25b2b0ac60c96c4fa4

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
SignaturezuOzLi87aeV3HvoD4cNM4Hxiq5g8+BPAcLeRCxAK0si1TaFh0rqGzt8dga4uppZTG08i9uyeKmM+Q4jre1JqDg==
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

2026-09-17T11:06:32.673720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047500
observed e3ce23ff7db37a1d37b8ec9a4bd717c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:32.653427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047500/manifest.json
observed e388b8b58055bb9d129c15dbd25de4ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:32.635352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047500/publication.md
observed 624f721005fac5880bb5c598c6369eb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:32.618700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047500/publication.txt
observed 9d41bd4455ded60f8849aa8b8e051163...
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.