OpenTechnical

OT-2026-000042312

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000042312) never changes.

Identity and time

Publication numberOT-2026-000042312 · never reused
Internal UUID01a0ae7a-5d74-72b7-b42c-9ce3c836ca4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042312
StatusPUBLIC

Content hashes

Canonical text884c570b8ff1462a989216416b119468a65f0f506db58269476a9bf29ea45176
Markdownef3e3618e8d0182b9cb139324eaaed37ebc5a359efc136723cc3d353ec4b90f0
PDF
Publication page56f3f76e124e2ea6c8f3e2972f232a532b2e68824092400414dd9b62c92dc0d9
Manifest0ae96723d6cd774390b975d3814a49b06f601c303655d0f655ac15ead6c57ad3

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
SignaturekAlIWAvFj09bTj7SYeHCJyHd1h5p78IjgB1liNjblLry1f8RL1QI7lPj0bvzee4w5UmY14V6xJpgbjpbbD0mDw==
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

2026-09-17T11:16:00.821816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042312
observed 56f3f76e124e2ea6c8f3e2972f232a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.804826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042312/manifest.json
observed 0ae96723d6cd774390b975d3814a49b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.787324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042312/publication.md
observed ef3e3618e8d0182b9cb139324eaaed37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.768280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042312/publication.txt
observed 884c570b8ff1462a989216416b119468...
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.