OpenTechnical

OT-2026-000049705

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000049705) never changes.

Identity and time

Publication numberOT-2026-000049705 · never reused
Internal UUID01a0ae81-8fee-79dc-a708-bc91870d64bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049705
StatusPUBLIC

Content hashes

Canonical text796c153126db8273432b1fcbcef87714b5a07dec78a24cd1d926764906f437d4
Markdown773aa10b606c18e31968ade256cbbe766e6dba1546dd0c2d1bdc908faa0202a4
PDF
Publication pagea19572536c5358cbd16115801e9d907899ddc9324f6a168d7653e95c040ce3ea
Manifest1413a9529481ec5a8bfb63ff3d6bcbc1f9b6663791ecf927f93675130812b0aa

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
SignatureSYerjx93daZmmf0hCS4YKnJYVcaCrpQ+JLz5NTwkQxHg6ib4cDBQgGX2Bf0GtxlEkjpseUH7ddyOE5XjTMKfDQ==
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

2026-09-17T11:02:43.196395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049705
observed a19572536c5358cbd16115801e9d9078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:43.178508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049705/manifest.json
observed 1413a9529481ec5a8bfb63ff3d6bcbc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:43.159689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049705/publication.md
observed 773aa10b606c18e31968ade256cbbe76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:43.141813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049705/publication.txt
observed 796c153126db8273432b1fcbcef87714...
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.