OpenTechnical

OT-2026-000015707

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump 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-2026-000015707) never changes.

Identity and time

Publication numberOT-2026-000015707 · never reused
Internal UUID01a0ae6e-0c4b-768d-a28b-18d76cf89fb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015707
StatusPUBLIC

Content hashes

Canonical text05747809cda257d0ea69cb674cc9fbb058a3adac213f17454eaea618ba01b5be
Markdownca74cb65b32ca5cdddb661dcf53db0a6f0013b02cdee65d6497cf8b0e8b044b3
PDF
Publication pagecceb3ff7ce66efd33daab021b71f2b48893f58355520057340dee7689da7282c
Manifest26c91e9053174843c6212a3cffacfd9243ed2b715946aced49cbcd797494d61a

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
Signatures5dlNgVtVXVFx5CYzTSQTewEAxQTPWd5iYnMBGwjKKhCC5Hw3jp0b1aWJfWovkQghZWp0U0sn7+s65g0nln6Aw==
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

2026-09-17T12:04:59.221916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015707
observed cceb3ff7ce66efd33daab021b71f2b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.204343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015707/manifest.json
observed 26c91e9053174843c6212a3cffacfd92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.185447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015707/publication.md
observed ca74cb65b32ca5cdddb661dcf53db0a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.167434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015707/publication.txt
observed 05747809cda257d0ea69cb674cc9fbb0...
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.