OpenTechnical

OT-2026-000043834

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000043834) never changes.

Identity and time

Publication numberOT-2026-000043834 · never reused
Internal UUID01a0ae7b-d677-793d-bc99-fbdf6d0da7a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043834
StatusPUBLIC

Content hashes

Canonical text714138fd5d73897719b2534a43c8259c80087057340325fefd0328330d5806ba
Markdown6ce23b1d7dd39f113639931788d959320fe8d5ccc2bc9de7605e39aa0b9058df
PDF
Publication pagef92e99519dfd666258f40b432b1410f8e355c15f7c351edf9eb1d56d70a5c14c
Manifestafbc9b4677a5d18096d5933ebf4ecb22cc11aff7970c34a7d26a6923091c54f1

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
Signaturef11O5xp+jw3ky9FFcU8yDULDV9lhdyQSwssGE6NBT8X+oniap5svhRE/3IINjqAei6qlbWNgGg7mszv9xreYDg==
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

2026-09-17T11:12:08.873534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043834
observed f92e99519dfd666258f40b432b1410f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:08.854534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043834/manifest.json
observed afbc9b4677a5d18096d5933ebf4ecb22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:08.834658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043834/publication.md
observed 6ce23b1d7dd39f113639931788d95932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:08.815627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043834/publication.txt
observed 714138fd5d73897719b2534a43c8259c...
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.