OpenTechnical

OT-2026-000089025

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000089025) never changes.

Identity and time

Publication numberOT-2026-000089025 · never reused
Internal UUID01a0ae9b-8f12-7a56-8cfd-a379627da159 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089025
StatusPUBLIC

Content hashes

Canonical textdadd0e05ab809350afea4ed5d96011172e78503e173c3b92b9f5b429bddc36c7
Markdown0d41504abe21d6f9c8e9d4780f669392eb06be8ad23725a415292b9143e6cc16
PDF
Publication page670a1e80ee1b7dcda29665921a4793200dc189fc725accc34dbe1d2f1dcb1236
Manifesteb8a65d34c69afdd2c6de0d3406a8842fbffc954cf6da49351e2977572f12c1f

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
SignatureyjH0v+ZmiwFpqIG7Biv0Zo5xiDwxbOBp7W1li/ghAyuSwyUgCLvqiErgA9HbKrqTun+JU2cnqitu/iNgfFp4AA==
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

2026-09-17T09:48:31.993582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089025
observed 670a1e80ee1b7dcda29665921a479320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:31.975831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089025/manifest.json
observed eb8a65d34c69afdd2c6de0d3406a8842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:31.957645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089025/publication.md
observed 0d41504abe21d6f9c8e9d4780f669392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:31.939435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089025/publication.txt
observed dadd0e05ab809350afea4ed5d9601117...
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.