OpenTechnical

OT-2026-000027500

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000027500) never changes.

Identity and time

Publication numberOT-2026-000027500 · never reused
Internal UUID01a0ae72-6998-7b58-8907-b53a20415815 · 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-2026-000027500
StatusPUBLIC

Content hashes

Canonical text96da53d22263ecc1f3c61117f153d74f6954999466e9aa7d479397b0ff8c3558
Markdown5b8590b6bb45014ab36b8c6105ae491f3da8a1f71fcb34e7a0585a5f47185766
PDF
Publication pageece128ba9db6837369678bc04933b3c34505d800297a55f27ccf4117cc8778dc
Manifestb0b0c539e111db4209f414c10ae4d893f55b29b2d2b9d8d8024eec8e51325366

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
SignaturelVLT8P6NFb/wNqqBcbf/HW8ZcOo0YBqiZs3zY0K9qg4E7HQo1trulSERbVLiTsctslFETXsA6mUwm+BXxDcYCw==
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

2026-09-17T11:42:58.220045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027500
observed ece128ba9db6837369678bc04933b3c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:58.186896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027500/manifest.json
observed b0b0c539e111db4209f414c10ae4d893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:58.167439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027500/publication.md
observed 5b8590b6bb45014ab36b8c6105ae491f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:58.148508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027500/publication.txt
observed 96da53d22263ecc1f3c61117f153d74f...
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.