OpenTechnical

OT-2026-000027723

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000027723) never changes.

Identity and time

Publication numberOT-2026-000027723 · never reused
Internal UUID01a0ae72-699a-7a6b-a0b7-2a15087aa92d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027723
StatusPUBLIC

Content hashes

Canonical text37791b21ffb964aee4361259116ec91c92748cf05c93b7c4e7906fdaf3d294a1
Markdownadeea4771dc5edf7ed608cd5bd8326e11e47f5151e4abfb8f1009dd53bfe8afc
PDF
Publication page50b0bdd1b305355f2439ad7b5e08ba8f72e833f8e6f80135862d66e42958a60d
Manifest06e7923d932ed165ae3adf88ee32e14bfde1ba5a7009643a2ee5ab4c1cdba846

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
SignatureyBlPjMX2V8DbX8SvQ1b6GqPwnkS7XLGs4V9QKdZSKUOJPvy06PkA6dnhxSuoiLnV/q69XWddlJL31iOlLiZhBA==
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

2026-09-17T11:43:16.745490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027723
observed 50b0bdd1b305355f2439ad7b5e08ba8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:16.729345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027723/manifest.json
observed 06e7923d932ed165ae3adf88ee32e14b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:16.711738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027723/publication.md
observed adeea4771dc5edf7ed608cd5bd8326e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:16.694905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027723/publication.txt
observed 37791b21ffb964aee4361259116ec91c...
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.