OpenTechnical

OT-2026-000017660

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000017660) never changes.

Identity and time

Publication numberOT-2026-000017660 · never reused
Internal UUID01a0ae6e-96f9-7d51-ac93-c04e8a6ebfec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017660
StatusPUBLIC

Content hashes

Canonical text48471161443548643d0c44e6bfddc4e582ef9b9a2e0627169daa5b1819e16537
Markdown73350c676abd32fdc1e9208dc39f8f97bffb85ce60f9b7ce9f264b57ea17d500
PDF
Publication page8ce687cf635dc54c8f60251680d8feb567fd734afe57848eb0304e324fc939fe
Manifestff263a056d62daccf5ce50731f38938fb5494fd6dbbf661acd121a7398f0c8d5

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
SignatureJR+RxpN9noMXRTCdAWr6S7AMTxwMvcRMrSUjNWueDS1JFuoKbcJfuw23HppJ3zzXgpy2lD/4yg/vdcQaCkFlDw==
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

2026-09-17T12:01:35.658908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017660
observed 8ce687cf635dc54c8f60251680d8feb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:35.633213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017660/manifest.json
observed ff263a056d62daccf5ce50731f38938f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:35.508966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017660/publication.md
observed 73350c676abd32fdc1e9208dc39f8f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:28.747491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017660/publication.txt
observed 48471161443548643d0c44e6bfddc4e5...
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.