OpenTechnical

OT-2026-000075822

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000075822) never changes.

Identity and time

Publication numberOT-2026-000075822 · never reused
Internal UUID01a0ae94-29fe-77a6-bc94-e7b2b2f344e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075822
StatusPUBLIC

Content hashes

Canonical textc6bea6b0e0aeb70f75f5b9f077c9f8605c8979d22ed9016b1b4cd8a51d553be2
Markdown2f5499083cb27159b96c6ef5a74d3c3b3815c552321a9cc4b3e5bbc1dacb472b
PDF
Publication pagedb67f9923f3e591b109f4d73ab341942e486cc295930653ee2c8ec9372047a18
Manifestea309a622cce8c43c2dc582bca4802765335994702d343fe023811648970f186

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
SignatureNfmBB6HZBJGxuiiEHhBKtV61ncNk8AQ4xhiX8gtG/tX6Y07f5cTbjAm8X8xIyzReFBC6qMoQxlNu8Fam2jIrCg==
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

2026-09-17T10:14:21.990321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075822
observed db67f9923f3e591b109f4d73ab341942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:21.973629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075822/manifest.json
observed ea309a622cce8c43c2dc582bca480276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:21.954709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075822/publication.md
observed 2f5499083cb27159b96c6ef5a74d3c3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:21.814835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075822/publication.txt
observed c6bea6b0e0aeb70f75f5b9f077c9f860...
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.