OpenTechnical

OT-2026-000025746

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000025746) never changes.

Identity and time

Publication numberOT-2026-000025746 · never reused
Internal UUID01a0ae71-9bca-73a6-91d6-a3932f0d6a9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025746
StatusPUBLIC

Content hashes

Canonical texteeb2e039cb5727d6d9488427c19780d285da9895da538d546f081444f7dc8d30
Markdownce36d2c0b6307187f006779028fe2d3b1e9029d7426f7c554d146c582f9506f7
PDF
Publication page70e6ca98d8d433bd06a1593711ce938a1d3cf90c376cdb8718b34d19bf112199
Manifest302e7cabc0d616b85f8829e8ccbaa7f39a5c8e1a9abb3866f4bc96ee5f9ff918

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
SignatureYk7yw+DQSmjVP8er6x3U2rboaqOG0Ny/r7C0+S+CglGVPQaGi87V6VkREtJ+1i/rQURaJY/8hcrnUa6DOjSDCQ==
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

2026-09-17T11:46:58.307332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025746
observed 70e6ca98d8d433bd06a1593711ce938a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:58.289790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025746/manifest.json
observed 302e7cabc0d616b85f8829e8ccbaa7f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:58.271924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025746/publication.md
observed ce36d2c0b6307187f006779028fe2d3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:58.256656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025746/publication.txt
observed eeb2e039cb5727d6d9488427c19780d2...
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.