OpenTechnical

OT-2026-000068520

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000068520) never changes.

Identity and time

Publication numberOT-2026-000068520 · never reused
Internal UUID01a0ae90-2482-7201-a814-33d23ea3045b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068520
StatusPUBLIC

Content hashes

Canonical texta0c7c3a7376cc3df5d84c41885351b34a1288d7b7bf82c265197a16ede048a61
Markdownb382028f92802905851c0547ddf68df6f8f98af8aebb3cbf369c4184bb1b82b0
PDF
Publication page6d0364cecf252af7de51ed8eb4eb462f2ada820c8e26aae394d8fd91d62c6ad4
Manifest44fa3cb159890df2e95135ae05189a8ddccf428a60532b324e849a90d39145db

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
SignatureVKOtemt4eN1prYd20KajVPXbIUp40SE0U0zsSTy1REQY9TfdHiVh4VL0/OXR8fIlNGh5bu9z0KhZNga/F6jOAQ==
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

2026-09-17T10:29:40.799714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068520
observed 6d0364cecf252af7de51ed8eb4eb462f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:40.779930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068520/manifest.json
observed 44fa3cb159890df2e95135ae05189a8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:40.762698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068520/publication.md
observed b382028f92802905851c0547ddf68df6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:40.746357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068520/publication.txt
observed a0c7c3a7376cc3df5d84c41885351b34...
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.