OpenTechnical

OT-2026-000026874

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000026874) never changes.

Identity and time

Publication numberOT-2026-000026874 · never reused
Internal UUID01a0ae72-3452-7bb2-b124-11e66c6633ca · 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-2026-000026874
StatusPUBLIC

Content hashes

Canonical text037d9f40ec7b7bc8935b6a588b9387eb8dc86de0fe5a060812af8d13a21d3468
Markdown6831192dd0d63d831e907ef3fbebe7b533033204e2fc3095cc7b7003cd535f86
PDF
Publication pagea63deb9f82c58cd17e1b7f7ae3101c4c73bee919367a5771f24a7b52abbe9d4d
Manifest3d8291da421f34aaa162a2a65cdc3cf3fd21ca562c895cdc9ddb88c0104d5e39

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
Signaturew6xMLdPKNDSTcL5HLb0butg6EwZDYA9HeaWSuviVnw6CYvcqyDbnb2OXpMgZ3x6Ljvo8me4Yyp1FqUz5sokkCg==
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

2026-09-17T11:43:28.706895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026874
observed a63deb9f82c58cd17e1b7f7ae3101c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.689925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026874/manifest.json
observed 3d8291da421f34aaa162a2a65cdc3cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.672449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026874/publication.md
observed 6831192dd0d63d831e907ef3fbebe7b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:28.655487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026874/publication.txt
observed 037d9f40ec7b7bc8935b6a588b9387eb...
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.