OpenTechnical

OT-2026-000022241

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000022241) never changes.

Identity and time

Publication numberOT-2026-000022241 · never reused
Internal UUID01a0ae6f-f4fc-79f3-bc2d-3f277212eae6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022241
StatusPUBLIC

Content hashes

Canonical text2583f030f89cfac7e88b8fc45ae6bfb18c0b46245b1bcc90da10f87e7e56ff71
Markdowne216bbc6238769306df09f28fe76a1bfce7db134c87ef1bfd366a3cc3327abb8
PDF
Publication page3d6b64ee07401b5c30941e562f39e0f99f824ca40f3dd7fd272fe28be1f227bf
Manifest75abf301318f813367bc04144d66ba37766bb23e19b1b281af70ee9911bd9e8e

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
SignatureFVJ2n5Q4r15eCtnsQScP+ndqqm3C+DYtMxFpnrzok9PIJxODW78kkpQxSkMpl42DwSYs2z8DipgJ59+dufURAw==
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

2026-09-17T11:52:56.173457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022241
observed 3d6b64ee07401b5c30941e562f39e0f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:56.156116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022241/manifest.json
observed 75abf301318f813367bc04144d66ba37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:56.136957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022241/publication.md
observed e216bbc6238769306df09f28fe76a1bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:56.113474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022241/publication.txt
observed 2583f030f89cfac7e88b8fc45ae6bfb1...
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.