Pith Number

pith:EAD5HVCW

pith:2012:EAD5HVCWA2UE7WJTD7FMCIYTQG

not attested not anchored not stored refs pending

VLBI for Gravity Probe B. VI. The Orbit of IM Pegasi and the Location of the Source of Radio Emission

D. E. Lebach, I. I. Shapiro, J.-F. Lestrade, M. F. Bietenholz, M. I. Ratner, N. Bartel, R. R. Ransom

arxiv:1204.4644 v1 · 2012-04-20 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EAD5HVCWA2UE7WJTD7FMCIYTQG}

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 open · sign in to claim

4 Citations open

5 Replications open

✓ 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	2026-05-18T01:57:48.094344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2007d3d45606a84fd9331fcac1231381bb038f64f288361254b8deff8d95c7b1

Aliases

arxiv: 1204.4644 · arxiv_version: 1204.4644v1 · doi: 10.48550/arxiv.1204.4644 · pith_short_12: EAD5HVCWA2UE · pith_short_16: EAD5HVCWA2UE7WJT · pith_short_8: EAD5HVCW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/EAD5HVCWA2UE7WJTD7FMCIYTQG \
  | 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: 2007d3d45606a84fd9331fcac1231381bb038f64f288361254b8deff8d95c7b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3b94900d631e25208d0e60ea6e1ba3dbbcadcac4a02cbc1798a13902a185939",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-04-20T14:24:10Z",
    "title_canon_sha256": "eddd1982c86684aa4e0dda034a5dbc6953349f6c2a5a09c6210704f26add73a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4644",
    "kind": "arxiv",
    "version": 1
  }
}