OpenTechnical

OT-2026-000040068

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three 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-2026-000040068) never changes.

Identity and time

Publication numberOT-2026-000040068 · never reused
Internal UUID01a0ae79-26fc-7e9e-b01a-f2773fadd267 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040068
StatusPUBLIC

Content hashes

Canonical text87da354ea8233f90dd8fc3146aa7f83b6cb826c4da9d09acd0849396858b3b26
Markdown05dbc88b0df143d9ecf38431640a8ce4e6b96b7826773f4245253454d27ffa32
PDF
Publication page6e07e8043bd4b82a5edf655df730ab3ec3389982d70c3a8f2a70f5aff9d7df7f
Manifestb2d6ad7456522e9f07009cdb5ddf7bb145813e820aac4ecdcaac6a9e0db4fca9

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
SignaturevSGFW10cDum/ZVZWua13DodXUN7YaZ0LCgA9647i90tp0V1ieSo+ui4o9/lD17tz6sVaJXCLB0uXIdnmGoMgCQ==
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

2026-09-17T11:18:54.729952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040068
observed 6e07e8043bd4b82a5edf655df730ab3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:54.713640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040068/manifest.json
observed b2d6ad7456522e9f07009cdb5ddf7bb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:54.698707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040068/publication.md
observed 05dbc88b0df143d9ecf38431640a8ce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:54.681991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040068/publication.txt
observed 87da354ea8233f90dd8fc3146aa7f83b...
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.