OpenTechnical

OT-2026-000011573

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000011573) never changes.

Identity and time

Publication numberOT-2026-000011573 · never reused
Internal UUID01a0ae6c-8900-762c-8d54-520b75303d1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011573
StatusPUBLIC

Content hashes

Canonical textca144538bc0f621792dffe53bb304cbd4fda6ea92677a55f2e01020756842be6
Markdowncdedd5a7e36e2d0372f1d4f664ea642a81d245a9d88269db97aad8b75e8ff52d
PDF
Publication page3ac4fe0e07a0c15f234c5a20417a1f6897e36ee29f21ae855c26b82c926b5da9
Manifest2cf73fcf1e10e752ca70d3997fa965f1b6fb3acb06c57ab7e036bfd5f0314d0b

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
Signatureqqya46oM2RMnUc8cD019SEq26hnF2eDivmGHtahqWpMvkrCkJknGhYHZGLz0DiAqCKewrx4CojbZJvDrcRBOCw==
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

2026-09-17T12:13:28.379250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011573
observed 3ac4fe0e07a0c15f234c5a20417a1f68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:28.361482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011573/manifest.json
observed 2cf73fcf1e10e752ca70d3997fa965f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:28.343321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011573/publication.md
observed cdedd5a7e36e2d0372f1d4f664ea642a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:28.324049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011573/publication.txt
observed ca144538bc0f621792dffe53bb304cbd...
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.