OpenTechnical

OT-2026-000038756

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line 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-2026-000038756) never changes.

Identity and time

Publication numberOT-2026-000038756 · never reused
Internal UUID01a0ae78-769e-7801-bfc2-e67dc8234912 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038756
StatusPUBLIC

Content hashes

Canonical texte6465819127efc100130481581446d2e91d3b733ebf88855a8d9c34f44439f23
Markdownbe1cd82c0f0646cd9b8ff14d073e47c288ad27421e6ad8d6fb55ac03a9035d4d
PDF
Publication page80da512c2c38e61c0123402028b4f6a0c42db43f9fe017497579a742f8869acf
Manifest1fe59ac4ade215ce4661e198efa5af474714cf83a4be088469b77d03b28039c7

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
SignaturewhBc2NmEiZXCyfvehw8XvMiSsQPmpk3Apn77D0916pFQSlnAIw69ghYqOhya4WHLl22K7MzbBroaUWhWPmkZAQ==
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

2026-09-17T11:21:17.647465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038756
observed 80da512c2c38e61c0123402028b4f6a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.628451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038756/manifest.json
observed 1fe59ac4ade215ce4661e198efa5af47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.609362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038756/publication.md
observed be1cd82c0f0646cd9b8ff14d073e47c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.588974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038756/publication.txt
observed e6465819127efc100130481581446d2e...
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.