OpenTechnical

OT-2026-000026813

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000026813) never changes.

Identity and time

Publication numberOT-2026-000026813 · never reused
Internal UUID01a0ae72-3451-74a1-ab71-1b217ea0bcf4 · 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-2026-000026813
StatusPUBLIC

Content hashes

Canonical textde11d8ad2e2b5e2ed0ec7b5361d1502dda76e2ba1af9c2107c6ee304883221bc
Markdownaa5d51a0005bd63bbc0ee0efcd2e3095046efd048fff57786907211e30d505b7
PDF
Publication page824f504f5c8dc13536890163096afbf311e1f3eb7b0881fb389976f6a77b58a7
Manifest9a6d15eac83e5092e69b6e2bd28a7fedabd47e169003eb889eb8a6e29b1666e7

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
SignaturenaeUPPFAX2QhaTkQdBDYnOY0OhZMvthzlUNSXvTXvDCXB09SAJmEtxEsU5i0Ku8sUgLYBRqrIXwXkfMs63PgDw==
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

2026-09-17T11:43:23.630934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026813
observed 824f504f5c8dc13536890163096afbf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:23.615048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026813/manifest.json
observed 9a6d15eac83e5092e69b6e2bd28a7fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:23.594268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026813/publication.md
observed aa5d51a0005bd63bbc0ee0efcd2e3095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:23.578137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026813/publication.txt
observed de11d8ad2e2b5e2ed0ec7b5361d1502d...
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.