OpenTechnical

OT-2026-000098789

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000098789) never changes.

Identity and time

Publication numberOT-2026-000098789 · never reused
Internal UUID01a0aea2-42af-7931-a8d4-44078d5e3086 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098789
StatusPUBLIC

Content hashes

Canonical text7a10774e801e1bff1f72351212a248f9354dbbbe241ff0222565acfc7176f505
Markdown219cbc5a1d1491c4a8532683316737a4c2572aa5a75144fe74f1ef4fcfd964e9
PDF
Publication page0e8301e3a2ff2f1a71360eaadc5a37ee4a0ccc1ffa1846179c134b188e60c8ca
Manifestf1e6f838e65782476645deb2da645fc53d6a2e0fecfdbd3497ab763d38aee340

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
Signatureb5wRojYqO2AU7K5m1S1kJPGNAy/yeU7jR93qpAZxcGyu0tqHLCGFMa7Ai1JqqIjSTtd21g/Xapzz7zagLVe6Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:06.929197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098789
observed 0e8301e3a2ff2f1a71360eaadc5a37ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.911179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098789/manifest.json
observed f1e6f838e65782476645deb2da645fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.893823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098789/publication.md
observed 219cbc5a1d1491c4a8532683316737a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.877036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098789/publication.txt
observed 7a10774e801e1bff1f72351212a248f9...
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.