OpenTechnical

OT-2026-000071957

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000071957) never changes.

Identity and time

Publication numberOT-2026-000071957 · never reused
Internal UUID01a0ae92-47c0-72f1-a1ff-481843d0d264 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071957
StatusPUBLIC

Content hashes

Canonical text74df29e4281b425b20cd0e518e07e12899b6f26b6cf5e0517ea0d055da5f323f
Markdown9daed19e9021999a8d17f68f1aa4139755b3c15a8fedadf93d82ac1a27d04045
PDF
Publication page39910aca8d61c2b00a71a1b30eaa36f73d960e233297c7eb9059bebe324f5464
Manifest3ccbadaa3b17f85e493d6b67a8e9a7247e64af49d73128731cbb4f02b29a1dc3

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
Signaturesnz3u75dCy7SJd8ZOF+cvE0oS4LxHC82cJy/C1o/QmLhWQNXoUmtu8Yddj4fNSsv0bwvxX+kcolDh6BkFGUdBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:59.737029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071957
observed 39910aca8d61c2b00a71a1b30eaa36f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.719570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071957/manifest.json
observed 3ccbadaa3b17f85e493d6b67a8e9a724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.704551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071957/publication.md
observed 9daed19e9021999a8d17f68f1aa41397...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:59.687974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071957/publication.txt
observed 74df29e4281b425b20cd0e518e07e128...
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.