OpenTechnical

OT-2026-000026679

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pulsed 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-2026-000026679) never changes.

Identity and time

Publication numberOT-2026-000026679 · never reused
Internal UUID01a0ae71-f4aa-7712-8878-e109a576f21d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026679
StatusPUBLIC

Content hashes

Canonical textb99b191e4e715061c5dcf4a782872f17e9d131f8e720d264379903fa119c7020
Markdown6c8b15008a64eee66a149b6362481593b061d4b5ef8c6444360f92dd3f311b71
PDF
Publication page21fa0398a26578798460c382e353659309111af540afeb83e10fbde6773d66ae
Manifestfa1e81576390fee93a4ad1439d7216f410501fb7a099c56cb2afb0f70f214fbf

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
SignaturenlcWTAmvfs+5LWPHRGet5z69wLoTxBElNiDpJJnaGG1A/smJHSvBEbzfOwgNqY3E9un8ihPfLTzLmlpVEhaLBQ==
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

2026-09-17T11:45:45.910193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026679
observed 21fa0398a26578798460c382e3536593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:45.893580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026679/manifest.json
observed fa1e81576390fee93a4ad1439d7216f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:45.877137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026679/publication.md
observed 6c8b15008a64eee66a149b6362481593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:45.858874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026679/publication.txt
observed b99b191e4e715061c5dcf4a782872f17...
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.