OpenTechnical

OT-2026-000031181

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, pulsed 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-2026-000031181) never changes.

Identity and time

Publication numberOT-2026-000031181 · never reused
Internal UUID01a0ae74-87ab-74f3-a05e-87857941acb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031181
StatusPUBLIC

Content hashes

Canonical textec13c56870e5e89a075d85c44ba837dbe81d0056cee441e931da447d0ef71876
Markdownea112f9683a65046a31571cae7c44b07c7ce1e951feeca3dc33f2170eced91d8
PDF
Publication page67f2ec992a120e082b54228b3ca31cd162d1acfe2ea18cd46c7b522c8f01fdd8
Manifest7c3ae817ec2a270ca6559784c01ee0430017f3c5efd924ff8bb85d441af05879

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
Signaturex+Zhz/k7ZNvbMox8nEgO5ysRqg/Mv1qOrLMdzuxPAjjvITds+8W1M1MDLUNvNSDLPbmn3Ho5vnzJKkzfi36HCw==
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

2026-09-17T11:35:44.168118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031181
observed 67f2ec992a120e082b54228b3ca31cd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:44.149503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031181/manifest.json
observed 7c3ae817ec2a270ca6559784c01ee043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:44.132367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031181/publication.md
observed ea112f9683a65046a31571cae7c44b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:44.114762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031181/publication.txt
observed ec13c56870e5e89a075d85c44ba837db...
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.