OpenTechnical

OT-2026-000080490

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000080490) never changes.

Identity and time

Publication numberOT-2026-000080490 · never reused
Internal UUID01a0ae96-7e78-7f5a-92cf-b208e87d18c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080490
StatusPUBLIC

Content hashes

Canonical text9f7c58ca9786c341298bcd3e7a856237615af813d20306327fa03b80fe7f95d2
Markdownf1fd5cd279a8c6d18c8d542d85ba63a896a9a28e277ee6e1c7d049af31be8f94
PDF
Publication page9ad9b9f20dbe83aeb3019e4c065c1af5f3a630ab206a8cbd3b294c7bf528d0a2
Manifest2e2baa10b9432efc9c1683c067108196bec08050805f293bf3de8c3271a64fd0

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
Signature/xve63xjjfsXnrx04wI3MpMLH1frXA0HRIjxc4VyoGY/z7/UQ9/7L1ihBCUnzlrY9PfMokXgJLVIVSzat1iMDg==
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

2026-09-17T10:03:00.735963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080490
observed 9ad9b9f20dbe83aeb3019e4c065c1af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:00.717735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080490/manifest.json
observed 2e2baa10b9432efc9c1683c067108196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:00.700032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080490/publication.md
observed f1fd5cd279a8c6d18c8d542d85ba63a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:00.681133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080490/publication.txt
observed 9f7c58ca9786c341298bcd3e7a856237...
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.