OpenTechnical

OT-2026-000043385

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump 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-2026-000043385) never changes.

Identity and time

Publication numberOT-2026-000043385 · never reused
Internal UUID01a0ae7b-327e-71e3-a811-e9bede80d5df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043385
StatusPUBLIC

Content hashes

Canonical text47d02fd6253c06887c560e1ebd4989868598d0cec491548cb886497ac39b26a1
Markdown62c3b3ee85fec15cd851a3958de8d653a0a9e6b37de790a93802f6122a891f1a
PDF
Publication page42d19081020668bdfe4c4cdb544a9f83c315c1547fe701b1757f0469de12bbf2
Manifest533eeba9c513ff7752942116bed343f0a71386c67a9970ae38a6897935b66f1c

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
SignatureetO2xCssLOHW9TijvoZhBQxGUxIFKgeStfNdQNnj2Kep3J5rfaWYSu05iaCz1Ku9b4CuJVj0U7WMKC0Hrv/gDw==
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

2026-09-17T11:13:54.946941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043385
observed 42d19081020668bdfe4c4cdb544a9f83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:54.927143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043385/manifest.json
observed 533eeba9c513ff7752942116bed343f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:54.907416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043385/publication.md
observed 62c3b3ee85fec15cd851a3958de8d653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:54.887711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043385/publication.txt
observed 47d02fd6253c06887c560e1ebd498986...
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.