OpenTechnical

OT-2026-000011769

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, pulsed 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-2026-000011769) never changes.

Identity and time

Publication numberOT-2026-000011769 · never reused
Internal UUID01a0ae6d-1941-76ec-bf5c-e26792ca6019 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011769
StatusPUBLIC

Content hashes

Canonical text0fbacdd3bf868acdf55291d84cc1e8d6aa0937914dcc1b35387a2aa31eefb1af
Markdown751aea8a17bda20720a924b4235e3d2ca95bc0b461c401d86be0702db7b71d03
PDF
Publication page66fc96c3f7c092616764316ae549cdeca1591da76053bd46a2385ba6acad5411
Manifestb8758ae331a61b0546d00e6d7b24bb57a08bc9dd12e4be967a4b4b4abc2c33d5

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
SignaturejI6jlp8SjENgBom2At5ghYduE1MPoGe3Sx0RSNMF35nzSX2URtTOT6duls60aIwaXw5yLpYIpTPtIMrZFgEnAw==
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

2026-09-17T12:12:28.984575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011769
observed 66fc96c3f7c092616764316ae549cdec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:28.962394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011769/manifest.json
observed b8758ae331a61b0546d00e6d7b24bb57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:28.943058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011769/publication.md
observed 751aea8a17bda20720a924b4235e3d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:28.922482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011769/publication.txt
observed 0fbacdd3bf868acdf55291d84cc1e8d6...
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.