OpenTechnical

OT-2026-000043617

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000043617) never changes.

Identity and time

Publication numberOT-2026-000043617 · never reused
Internal UUID01a0ae7b-92d0-732e-861e-c80e1ef9ee76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043617
StatusPUBLIC

Content hashes

Canonical text92c8ac21ad8c23e54adb741111a9440c87771d52b1383004a5f051c11cc5580b
Markdown9b3e62ee94035c39bfc4651cb703fd9f6aa22d8a53cd9eb284483b5a37e445aa
PDF
Publication page065a8122fd60aa8c1c3bac34f51dc4fe32f52f93362521dfe16fd466f8dfdb8f
Manifest2b8623dfe5449ea30d3c785c06270fd094f8d7f8a5368d3930f7f124ca58a0b6

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
SignatureDFYSEWnc4CdcaoaRNDN2lIMz6yhPXKvH1Yvp2o5Pqa9M9K/rk3i2BYupu03bZoML7JMkZovYcNGqQ7//5WhyCQ==
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

2026-09-17T11:13:05.024508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043617
observed 065a8122fd60aa8c1c3bac34f51dc4fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:05.005967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043617/manifest.json
observed 2b8623dfe5449ea30d3c785c06270fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:04.983591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043617/publication.md
observed 9b3e62ee94035c39bfc4651cb703fd9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:04.962862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043617/publication.txt
observed 92c8ac21ad8c23e54adb741111a9440c...
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.