Pith Number
pith:V4ON6ARB
pith:2012:V4ON6ARBV5NVW6IZMN2C3ML5GR
not attested
not anchored
not stored
refs pending
VLBI for Gravity Probe B. III. A Limit on the Proper Motion of the "Core" of the Quasar 3C 454.3
arxiv:1204.4637 v1 · 2012-04-20 · astro-ph.IM
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{V4ON6ARBV5NVW6IZMN2C3ML5GR}
Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge
Record completeness
1
Bitcoin timestamp
2
Internet Archive
3
Author claim
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claim
4
Citations
5
Replications
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Portable graph bundle live · download bundle · merged
state
The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same
current state with the deterministic merge algorithm.
Receipt and verification
| First computed | 2026-05-18T01:57:48.129698Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
af1cdf0221af5b5b791963742db17d3452f03a5790efaee2e13c399b202b3e01
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/V4ON6ARBV5NVW6IZMN2C3ML5GR \
| jq -c '.canonical_record' \
| python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: af1cdf0221af5b5b791963742db17d3452f03a5790efaee2e13c399b202b3e01
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "6710ed9e11c4a5b69a272c4d8b176c731a53694307131fc8dfb575342824803a",
"cross_cats_sorted": [],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "astro-ph.IM",
"submitted_at": "2012-04-20T14:06:51Z",
"title_canon_sha256": "15d698fa420a25bb329e272b79d8dd07e98ca7127e3fe3d455cfe78af89b6bb6"
},
"schema_version": "1.0",
"source": {
"id": "1204.4637",
"kind": "arxiv",
"version": 1
}
}