OpenTechnical

OT-2026-000010549

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000010549) never changes.

Identity and time

Publication numberOT-2026-000010549 · never reused
Internal UUID01a0ae6c-0ee7-73aa-a027-83834c35e7c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010549
StatusPUBLIC

Content hashes

Canonical textfdeaa54921353a2aa8095c52e0fc15736b66452fa53b47e548cf9ec079faff0b
Markdown210f52e6acd1ae2fa3fd027d7d9597562336ea05271f5ebdd48b01fd26592412
PDF
Publication paged44593a6ab396a0405965a2824d150196017ec88f60075ebc44df181ffc9ec11
Manifest29fee488a237a94a583655b6b9e0bf877a05729c4225f3a1a502ac7ba34a501d

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
SignatureIiyZF2YJSzK4VIkI5ICFRudvefqM2hHCbmQelsNWaZQ0g8ZQbeSLqMuGqLRPNjINQ+id7ptzx5kzg4ChEAwfAg==
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

2026-09-17T12:14:43.092601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010549
observed d44593a6ab396a0405965a2824d15019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:43.074276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010549/manifest.json
observed 29fee488a237a94a583655b6b9e0bf87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:43.056228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010549/publication.md
observed 210f52e6acd1ae2fa3fd027d7d959756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:43.036476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010549/publication.txt
observed fdeaa54921353a2aa8095c52e0fc1573...
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.