OpenTechnical

OT-2026-000072667

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000072667) never changes.

Identity and time

Publication numberOT-2026-000072667 · never reused
Internal UUID01a0ae92-89d9-776b-a7c7-3fda0e4b975a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072667
StatusPUBLIC

Content hashes

Canonical texteca61e4ab78ef4b00215b01aff7d45275ca3753b1bf0d1ceef152959c0719e59
Markdown83aa0f9786623dd0df4e00f91692b2480e8d266da3f5cf9bda5aca737c99dc3b
PDF
Publication page265125b8cef69f82ee6f3d168b9ffac25cfea4baf98f02a867b1ccad6eee29ff
Manifeste0f5813273e784c0842e7ca561b8d1229ffe8184b2f8bc3f4d2cd960b7597a26

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
SignaturedtPm82q9qBUu2/FrQO4XALCrKaCtGhdg1RlnocKlw30aOJXhyrFh5aYjqfVjffiNfKPbBzeVOJTzQnIpBGavBQ==
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

2026-09-17T10:22:32.105140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072667
observed 265125b8cef69f82ee6f3d168b9ffac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.088274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072667/manifest.json
observed e0f5813273e784c0842e7ca561b8d122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.070006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072667/publication.md
observed 83aa0f9786623dd0df4e00f91692b248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.053521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072667/publication.txt
observed eca61e4ab78ef4b00215b01aff7d4527...
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.