OpenTechnical

OT-2026-000069012

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000069012) never changes.

Identity and time

Publication numberOT-2026-000069012 · never reused
Internal UUID01a0ae90-6dcd-7906-9d1f-96c93cec202a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069012
StatusPUBLIC

Content hashes

Canonical textb9773c7520a3599f5b775bdac4e4221eccff3c4e4bc0d7be8616a6e67814b0ec
Markdown777bbb8cadd8e9ccf69d08f2a182d8c7751013027a4bdb786d44c87ee54b2286
PDF
Publication page58648400608bdfd24c02bbb72f9af8a7a09906ea7d0f83e21df44558cf66208e
Manifest91b1ef3851931656ab6d65a5bad1c18cd7e4bf224e43f5b821c58282f9a566dd

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
SignatureFPylKYHgl+t4paGaIMF2fyfrouyG+91f09RhpjXpx7Hx8t1EunzfGBdWgcEZvQhtTjJsHwSvTt7SpPpXqegPCA==
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

2026-09-17T10:28:51.709245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069012
observed 58648400608bdfd24c02bbb72f9af8a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:51.692880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069012/manifest.json
observed 91b1ef3851931656ab6d65a5bad1c18c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:51.676885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069012/publication.md
observed 777bbb8cadd8e9ccf69d08f2a182d8c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:51.648763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069012/publication.txt
observed b9773c7520a3599f5b775bdac4e4221e...
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.