OpenTechnical

OT-2026-000043294

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three 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-2026-000043294) never changes.

Identity and time

Publication numberOT-2026-000043294 · never reused
Internal UUID01a0ae7b-327d-77c0-980a-6fc7f593aa5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043294
StatusPUBLIC

Content hashes

Canonical text8f4be7335d5631181214d5c2010784bd59b39c648e7e47e70e550bd9ffb19cf5
Markdown7a483039bf0f53b5e3359c6f7cd4251188732810dc16132ecc67c5b3d3f983fc
PDF
Publication page926cfa727ef849f2f723bed8a2e6e48425f6c3391da79527f91027e23e30734e
Manifest9690859e43304303dd2f28eb4ca9d5a215d8500598a195f6bb674f3e4d6bc900

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
Signature5x1o1dfP7nPz2N+IsC3TLgxICuPtQalpq7vxGDJXLCP1nlut9O5c5O0iFC1G6JwwA9kFhzTpI0rwZ0rUTAwKAg==
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

2026-09-17T11:13:47.369749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043294
observed 926cfa727ef849f2f723bed8a2e6e484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.352194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043294/manifest.json
observed 9690859e43304303dd2f28eb4ca9d5a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.332759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043294/publication.md
observed 7a483039bf0f53b5e3359c6f7cd42511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.315629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043294/publication.txt
observed 8f4be7335d5631181214d5c2010784bd...
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.