OpenTechnical

OT-2026-000060268

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, sustained blow-off 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-2026-000060268) never changes.

Identity and time

Publication numberOT-2026-000060268 · never reused
Internal UUID01a0ae8a-5a74-7ce8-b13c-cb18adc16e2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060268
StatusPUBLIC

Content hashes

Canonical text753f5b58989aed3fad4723cfbe94b54ff2ca3d9e0da0c30d96fbf1d45c572893
Markdownd0bb2f6a0cd8a22e8fc860c43d323bd0e8f599617476ecc766a95dc2f74dbade
PDF
Publication page67cec8d215a0decb6769253ad2baf323c2a71c6a04da88d988585e6685cdceb6
Manifest1ab11ef841b21ab8943cd7cfe4416e27afd07c639ccae350c29cdf90932eb590

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
SignaturenMQTDHpYKi0/eCyFBG2w93c1eHvIkUG8n6q5Cf/Z9p79eup7m1e6wKB+T9c4GX96PaVrvIRVEsLZklLKf1HgAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:57.981931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060268
observed 67cec8d215a0decb6769253ad2baf323...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:57.961286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060268/manifest.json
observed 1ab11ef841b21ab8943cd7cfe4416e27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:57.939992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060268/publication.md
observed d0bb2f6a0cd8a22e8fc860c43d323bd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:57.918367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060268/publication.txt
observed 753f5b58989aed3fad4723cfbe94b54f...
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.