OpenTechnical

OT-2026-000099287

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000099287) never changes.

Identity and time

Publication numberOT-2026-000099287 · never reused
Internal UUID01a0aea2-8289-792d-b3d2-b8ee3a611043 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099287
StatusPUBLIC

Content hashes

Canonical text1188ac3452bf03430f1b492ef955f1a612b1ff788447d1b863000ba9677b050b
Markdownccdda7d0b7db225947cce79db7acf1542a96f1aa1d5f75b6d21d674c2e546856
PDF
Publication pagef4104953bb18d44743b6f780ecf8bf3b6aa54b15fbca300d309880bfd6a2bb3d
Manifest852c550c655748adbc7da58b239e1117610ddc05ae197eaa6ef5c08269f50102

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
Signaturex7BG18Dwpyn4uMIDTBhN9QgTq2sxyo/WG/8Ha8g2xuHAOuF/WAQIzTlTBfAWh96VrQ4zF9TBx/SwlsAlSlS/Cw==
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

2026-09-17T09:30:44.827401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099287
observed f4104953bb18d44743b6f780ecf8bf3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:44.810986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099287/manifest.json
observed 852c550c655748adbc7da58b239e1117...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:44.793798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099287/publication.md
observed ccdda7d0b7db225947cce79db7acf154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:44.777362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099287/publication.txt
observed 1188ac3452bf03430f1b492ef955f1a6...
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.