OpenTechnical

OT-2026-000026807

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000026807) never changes.

Identity and time

Publication numberOT-2026-000026807 · never reused
Internal UUID01a0ae72-3451-7d48-848a-eccb8339b429 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026807
StatusPUBLIC

Content hashes

Canonical text413594c7da10556f6cb22fafefe38d51e751e7edba9eece514bd826cf2c309ad
Markdown229fde8515e0bc46c92537dac3869149db52a4788a0c88a8de812da258ac6e65
PDF
Publication page9b1a13af1802f6b249c748920554c2d72883edc53300ce5356fe061aec3eb4d6
Manifeste575f4a38015c7b4660c39ee4a23ef25c12e13782cf9bd82fbed9694e3fae429

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
SignatureXpoKzwEZtiJUpfMPeCRqDhN7H60s8+H91A9QvusmwmrSB3NgyFUlBjj7k031YSemphWpvAoXnzIFQDOzEfYFCw==
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

2026-09-17T11:43:23.215359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026807
observed 9b1a13af1802f6b249c748920554c2d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:23.199193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026807/manifest.json
observed e575f4a38015c7b4660c39ee4a23ef25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:23.181792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026807/publication.md
observed 229fde8515e0bc46c92537dac3869149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:23.165501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026807/publication.txt
observed 413594c7da10556f6cb22fafefe38d51...
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.