OpenTechnical

OT-2026-000026970

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000026970) never changes.

Identity and time

Publication numberOT-2026-000026970 · never reused
Internal UUID01a0ae72-3453-7b8c-aefb-016a6edfdcb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026970
StatusPUBLIC

Content hashes

Canonical text8c0c2ea273f562155fbcbbcd1556504ae714dcc6597d8d232234e45a710358d8
Markdownc00e4f11c12204121982babcd7bad1121369ccedc8a936ab8397240dfe43112c
PDF
Publication page7c29056b0ae748e86bfe8ac2359a8b4771ea5dcac2386b1a3e8be7c7f2e6c74c
Manifest19aee82342adb4661bdc5e89baafaa2c2b3a8b70fe03952abd92dac8782d3248

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
SignatureGiBBSFfzgky5qcV7hDJTS74o9tedHNXlTS2aUUC5QNOi1sD/EoG4ovRtYVq8HXlbns35fSkJE0VKI2WtVfP7CQ==
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

2026-09-17T11:43:35.624636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026970
observed 7c29056b0ae748e86bfe8ac2359a8b47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.606155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026970/manifest.json
observed 19aee82342adb4661bdc5e89baafaa2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.588586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026970/publication.md
observed c00e4f11c12204121982babcd7bad112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.569853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026970/publication.txt
observed 8c0c2ea273f562155fbcbbcd1556504a...
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.