OpenTechnical

OT-2026-000032479

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed blow-off before set-down

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-2026-000032479) never changes.

Identity and time

Publication numberOT-2026-000032479 · never reused
Internal UUID01a0ae75-106f-7ff8-8c0e-ef55a88b8b66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032479
StatusPUBLIC

Content hashes

Canonical text08ed19fd404e2f762b7e694ed80997fa0a110972fac964fc8949f4cf0029247a
Markdown58155c499e6f4345cfd7997eabe3d91adb91dd77317d9a927e41766451f588a7
PDF
Publication page133f6403235a330e7f11fd87c8c5db1622f2033b2edae5d23c99c2f40f43ecb1
Manifest7994f544b7660719f1a12fcf056ddbc179380a56c41439a2800118f425c63564

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
Signature742joevBfylmV4gPTVEkJ5O4PTPREgCP2YZPrnFLJpqprg9WT3X0mjb0JwrNQ5icG/L9CbkLanFuniPas8h4Dw==
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

2026-09-17T11:33:54.757157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032479
observed 133f6403235a330e7f11fd87c8c5db16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.742103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032479/manifest.json
observed 7994f544b7660719f1a12fcf056ddbc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.724457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032479/publication.md
observed 58155c499e6f4345cfd7997eabe3d91a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:54.706146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032479/publication.txt
observed 08ed19fd404e2f762b7e694ed80997fa...
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.