OpenTechnical

OT-2026-000089918

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold 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-2026-000089918) never changes.

Identity and time

Publication numberOT-2026-000089918 · never reused
Internal UUID01a0ae9c-428d-7b0d-958f-cf4e879ee911 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089918
StatusPUBLIC

Content hashes

Canonical text4e18f49198fdf2d5abdeb8ec4e5801075d5eefab080943edbf1216560e03be29
Markdownd8a9bbe9dc7308e7f5a9880f39a7956552daf4b6de1a802b308cc9f2821dc011
PDF
Publication page120530513b7683a84132f223275dc1d1747a46491135168335a6ba014ac346c5
Manifest119ffa92fa2bfceeb070ea3a050198ceee1298ec5a837a5bc0c644ef22fe0265

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
SignaturerTjxARTylwpGTnpK65FUSuTdg2H2OthInx2FqrcWHuUy2ktaPT8ui4IMGMzoeLksJyGCMKm6fCVSMWXF2FOkBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:11.350967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089918
observed 120530513b7683a84132f223275dc1d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:11.333863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089918/manifest.json
observed 119ffa92fa2bfceeb070ea3a050198ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:11.316238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089918/publication.md
observed d8a9bbe9dc7308e7f5a9880f39a79565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:11.297381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089918/publication.txt
observed 4e18f49198fdf2d5abdeb8ec4e580107...
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.