OpenTechnical

OT-2026-000023354

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000023354) never changes.

Identity and time

Publication numberOT-2026-000023354 · never reused
Internal UUID01a0ae70-7268-7a5b-90a9-bd620dd428a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023354
StatusPUBLIC

Content hashes

Canonical text36b297de581dc611bbbe4411e02fc94b3f3a4c9e7285495ca8db91db2377ad0f
Markdown753482d7b9275c9474b5098fbc02f20cda2eee7c1bd4fe8fe794f57a375b38f5
PDF
Publication pagef078d77836f92eb8e1ee876f8d000a8327dc8a870cd93ded3c42d113008d47c8
Manifest94855134ef47d673a8de402d2d805fc7997c89ecec9661b8db7cac91c628d49d

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
Signaturea1sykgLvA9UzApwG6O1+w6rqWncyW5zhl5nlgaPxreBsYW3+p8lulFvJipU3flUznBpkbr/4jEzJEFlDW7EHAw==
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

2026-09-17T11:51:26.951870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023354
observed f078d77836f92eb8e1ee876f8d000a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.932328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023354/manifest.json
observed 94855134ef47d673a8de402d2d805fc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.903002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023354/publication.md
observed 753482d7b9275c9474b5098fbc02f20c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:26.872456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023354/publication.txt
observed 36b297de581dc611bbbe4411e02fc94b...
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.