OpenTechnical

OT-2026-000008530

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000008530) never changes.

Identity and time

Publication numberOT-2026-000008530 · never reused
Internal UUID01a0ae6a-e46a-7a30-bfb1-737aa87db9ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008530
StatusPUBLIC

Content hashes

Canonical textcaf540aa6c398520ac602b42f2bd006ca7b809a2eb6fddffa373b9c9ae3296a4
Markdownd13c5ed1a97e9d565595471308594401ad54ce1fdb171faf1be7a6e9eb4ae47c
PDF
Publication pageedd6ce17b4069b1a6e7f64c5e1d59156f3d42db7ebd7c73c9577cea3184acc3f
Manifest03a3434988ce8ea3acf59fd127a90326e519a2ae9d5a37040f5c370eaae8e466

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
SignatureVbJlHXeuuG1aYvF0dS3xbnNTh3Rg9zuFISTyZff6ujHh2yBKpLQGBfPL2kG/cFHjHpm/iN+xyqvbCwaTU0uVAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:26.957892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008530
observed edd6ce17b4069b1a6e7f64c5e1d59156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:26.937672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008530/manifest.json
observed 03a3434988ce8ea3acf59fd127a90326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:26.916788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008530/publication.md
observed d13c5ed1a97e9d565595471308594401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:26.892914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008530/publication.txt
observed caf540aa6c398520ac602b42f2bd006c...
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.