OpenTechnical

OT-2026-000043654

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000043654) never changes.

Identity and time

Publication numberOT-2026-000043654 · never reused
Internal UUID01a0ae7b-92d0-72cf-8981-89453ce4ac34 · 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-2026-000043654
StatusPUBLIC

Content hashes

Canonical text1a87c875e09bb588ac84eb8b64bdef906a72f1dce155e838b78549ef7a272b00
Markdown26671e94a69534c91cf46fad9e239efcf053af2e0ab263cbc44238dd05b049bc
PDF
Publication page7f3a6505c05aa6230a0585b0388c07d7ada9773ce9c73cbbbaee7f893bd76f85
Manifestca0ef34a0a1ef553ef22bf26bb1f8f58b9a5b059f11921a8631c08320105506f

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
SignaturepEwTBPiubWbBaGbvqiifK1qg6Lzy5ECujlL0T+lUqjYWcO5jMQyyvgFnaSmtNWoMoVybLngquAPeszPYw383Ag==
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

2026-09-17T11:13:08.145640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043654
observed 7f3a6505c05aa6230a0585b0388c07d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:08.127514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043654/manifest.json
observed ca0ef34a0a1ef553ef22bf26bb1f8f58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:08.108738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043654/publication.md
observed 26671e94a69534c91cf46fad9e239efc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:08.091148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043654/publication.txt
observed 1a87c875e09bb588ac84eb8b64bdef90...
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.