OpenTechnical

OT-2026-000043025

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, sustained blow-off after set-down

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-2026-000043025) never changes.

Identity and time

Publication numberOT-2026-000043025 · never reused
Internal UUID01a0ae7b-3278-75eb-8452-dffba9534f66 · 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-2026-000043025
StatusPUBLIC

Content hashes

Canonical text73944378809297da67e7a53a03b439723feede52119ec615041ee59c5521cb1a
Markdown8b83bed6a8f6dfb55b5845278391f099f2f705213d870aca0081e31c18f6ad15
PDF
Publication pagefc51098daf2110ee2bdef581941211f42454f1f8c89aeeac3a17d9a61b48ebb2
Manifest2c65f8549a8bc803c81d6c0e1bc842311df3085d3b342c18489e394f85d2566e

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
SignatureqxyTsrFCTxeVHuiJWqLDyN5PfLE0e++Vh94q3ywLmqdo+vQUGGqqXPqyPLsBsyILIRVE4z+3r0IrN56vBXbZCg==
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

2026-09-17T11:13:20.475418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043025
observed fc51098daf2110ee2bdef581941211f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:20.457907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043025/manifest.json
observed 2c65f8549a8bc803c81d6c0e1bc84231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:20.441087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043025/publication.md
observed 8b83bed6a8f6dfb55b5845278391f099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:20.424683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043025/publication.txt
observed 73944378809297da67e7a53a03b43972...
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.