OpenTechnical

OT-2026-000037652

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000037652) never changes.

Identity and time

Publication numberOT-2026-000037652 · never reused
Internal UUID01a0ae77-b8cf-7fff-87b2-094129377068 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037652
StatusPUBLIC

Content hashes

Canonical text397ea503000de61fa6e10f1c67b85e3c2144ab1b75295cb1fee9a48d39672a42
Markdownb4c8f948662f0b9f77bcd6f5004d5ccfd5959d5897179391cc09aed7e155ef3a
PDF
Publication pagefff3089572d1161501408df4485fe662da150359b6125c3d8e24c7bda6004ef4
Manifest675ea23a4e4b3e619064f1b3cba7d8c40da72febae7230a06c14a055b9da871b

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
Signaturey+8TW2PcwvgMfCB/4O6W/JkCpTFZZCOX66Zev9QVEn3leUQiViRvBhgXVjGcHFHHlOxa/OmV8DZi2fR3P1eMCg==
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

2026-09-17T11:24:13.460810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037652
observed fff3089572d1161501408df4485fe662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.443350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037652/manifest.json
observed 675ea23a4e4b3e619064f1b3cba7d8c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.426443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037652/publication.md
observed b4c8f948662f0b9f77bcd6f5004d5ccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.408131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037652/publication.txt
observed 397ea503000de61fa6e10f1c67b85e3c...
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.