OpenTechnical

OT-2026-000087138

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000087138) never changes.

Identity and time

Publication numberOT-2026-000087138 · never reused
Internal UUID01a0ae9a-9f2e-7a03-927f-2b3ee564140c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087138
StatusPUBLIC

Content hashes

Canonical text674cece05ba15d031958f2b20b1a01a55382d7d55bd9a46451c02ea72610fee1
Markdown11ed2f3e9fc45f85ac4f195fbb639fbd370262b09fe8c3beccc6be2db0143a5a
PDF
Publication pagebe7caf3b7595e0b2b92cbf829118d98855a98ee34989465355fa8411eac4ee4c
Manifestf6f713d94d03c6e281094f0b17a3918d981c62601ccdfcf98fec819e07412af0

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
Signature1dIu4GO5b3Tmqkdcx2tSVyMMN3o2G7ym9Tw7iXIsYPVApZIkWwX4b85B6J7ykE97q5V8mxKjXd8Jpp8GZe5JAw==
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

2026-09-17T09:51:24.112836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087138
observed be7caf3b7595e0b2b92cbf829118d988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.094260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087138/manifest.json
observed f6f713d94d03c6e281094f0b17a3918d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.074986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087138/publication.md
observed 11ed2f3e9fc45f85ac4f195fbb639fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.058348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087138/publication.txt
observed 674cece05ba15d031958f2b20b1a01a5...
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.