OpenTechnical

OT-2026-000018284

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000018284) never changes.

Identity and time

Publication numberOT-2026-000018284 · never reused
Internal UUID01a0ae6e-b489-7f4b-a1a9-073da36557a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018284
StatusPUBLIC

Content hashes

Canonical text553ce942a35ce47be38dd749433a049e3b075c0da28e00db7cf26b548ac8bdf8
Markdown4b74a95fa62853fe6603373faf34804aae9f8c28ab2b4489cfe6eedc3b6f8d77
PDF
Publication page36dfe2c52d7b800775f60b8de0cf1b0a7303869de71d23ded5e64adcf8106879
Manifest42eeea8e90c18db39a8ea3669d146000a9fbe372ab347b3bff6014b5c459da17

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
Signatureuyi+teWZoUArbFhjV8SsRMXKV7ugScbIpCxePpbCTasYhTlnPPcP3cVTR1o/hR9mtxxYrxoC3EylNtKy8EysCw==
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

2026-09-17T12:00:08.602943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018284
observed 36dfe2c52d7b800775f60b8de0cf1b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:08.576828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018284/manifest.json
observed 42eeea8e90c18db39a8ea3669d146000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:08.550564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018284/publication.md
observed 4b74a95fa62853fe6603373faf34804a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:08.523823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018284/publication.txt
observed 553ce942a35ce47be38dd749433a049e...
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.