OpenTechnical

OT-2026-000043442

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000043442) never changes.

Identity and time

Publication numberOT-2026-000043442 · never reused
Internal UUID01a0ae7b-327f-7b34-887b-508bd63da70c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043442
StatusPUBLIC

Content hashes

Canonical textdce4f900d5bcd06567d3f2825f27cdcce53b1cf50adfec2290a4527831f8673e
Markdownd5ffdde2f757f7045505b1b5338ab56e032aee1bad7f9210ed1ac853c2a6243c
PDF
Publication paged5210d7e732bb7bc47c6ae4b656dc3c1ceb260eae67103df4d3e0c02409856ec
Manifest68a30a6fed31e93f18284f86cf3d3358d86596d227cb45e59c46176e327adc94

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
Signature7gTVgmJyJKGKivA1l3HtITna6uLuR30iASbL+dlvffuZRGjLdCEkpamyWWErfC60/EVr+twoYyIcr0xsxef0AA==
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

2026-09-17T11:13:59.480071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043442
observed d5210d7e732bb7bc47c6ae4b656dc3c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.459225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043442/manifest.json
observed 68a30a6fed31e93f18284f86cf3d3358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.438807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043442/publication.md
observed d5ffdde2f757f7045505b1b5338ab56e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.420016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043442/publication.txt
observed dce4f900d5bcd06567d3f2825f27cdcc...
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.