OpenTechnical

OT-2026-000032160

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000032160) never changes.

Identity and time

Publication numberOT-2026-000032160 · never reused
Internal UUID01a0ae74-f7a6-7ae3-863c-356c65d45d66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032160
StatusPUBLIC

Content hashes

Canonical texta6ea0ed4f0a430ec19e0e0d9dd87ce329b5482fdc3c46227ad07a20489717b7c
Markdown95dd7c37d7afd07ab3c228dd8c644a2138c0998c35e04599830395dd30a2fa91
PDF
Publication page4545df0c44be7a57a78f37d5b144461f126693b8805a00a1ac0c7b7b9d915c07
Manifestf0d491164ed2c671b2bbafa7b869fbee2c854093a40c21fa408a9eb2008492e1

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
SignatureolWjya127lemuKxk7uTTFhEvSRhnbK8e2EmfajHCnTXvUmKXf7G0Jmg052oQkotMqMrWhgTLtbLp2SqCr9lLDA==
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

2026-09-17T11:34:29.125177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032160
observed 4545df0c44be7a57a78f37d5b144461f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.107453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032160/manifest.json
observed f0d491164ed2c671b2bbafa7b869fbee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.089527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032160/publication.md
observed 95dd7c37d7afd07ab3c228dd8c644a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.069962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032160/publication.txt
observed a6ea0ed4f0a430ec19e0e0d9dd87ce32...
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.