OpenTechnical

OT-2026-000026886

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000026886) never changes.

Identity and time

Publication numberOT-2026-000026886 · never reused
Internal UUID01a0ae72-3452-79f4-b0e9-63e2d9cd5b84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026886
StatusPUBLIC

Content hashes

Canonical textb5a73f198447b6a09e5693bf9c1d0dfe8fab1ffe616b5361a4b03006e5a45f8c
Markdownf291efb465265150dc9ac57f610b6e6740a388e779c946e891c75a095026daac
PDF
Publication page5f39ed2ce0d63a2c23944cc092645c8faa95ca63a9c55f3e0206904c5615ebf6
Manifeste30982f9d35d0b67f900212787bfb68a65f6676d112f44ff492b632103d0cd57

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
Signature85WqC1GiPNrTNY0xVKdAP1lJtozP2Q1kOxuZ3131/A1hI6YxyTGTHBqgoRsZxILTAHEhF9Pm5We7J0HycfV9Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:29.551227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026886
observed 5f39ed2ce0d63a2c23944cc092645c8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:29.533473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026886/manifest.json
observed e30982f9d35d0b67f900212787bfb68a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:29.514308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026886/publication.md
observed f291efb465265150dc9ac57f610b6e67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:29.498869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026886/publication.txt
observed b5a73f198447b6a09e5693bf9c1d0dfe...
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.