Pith Number

pith:R24RY47U

pith:2013:R24RY47UYVAM4VN4CCJKC7XGNK

not attested not anchored not stored refs pending

Multi-Epoch VERA Observations of Sagittarius A*: I. Images and Structural Variability

Hideyuki Kobayashi, Kazunori Akiyama, Mareki Honma, Rohta Takahashi, Tomoaki Oyama

arxiv:1308.6657 v1 · 2013-08-30 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R24RY47UYVAM4VN4CCJKC7XGNK}

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	2026-05-18T01:47:56.589402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8eb91c73f4c540ce55bc1092a17ee66a820d12929bc360c7fa46e2f340d105cb

Aliases

arxiv: 1308.6657 · arxiv_version: 1308.6657v1 · doi: 10.48550/arxiv.1308.6657 · pith_short_12: R24RY47UYVAM · pith_short_16: R24RY47UYVAM4VN4 · pith_short_8: R24RY47U

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/R24RY47UYVAM4VN4CCJKC7XGNK \
  | 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: 8eb91c73f4c540ce55bc1092a17ee66a820d12929bc360c7fa46e2f340d105cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dfd8a524f3902940df66b8ef05bda6c456dcb17acd68c47413792c2bf81d332",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-08-30T06:15:46Z",
    "title_canon_sha256": "dacaa9009922afd0b69dfa585bb39a2c9151fd650b584ecc53db98a0aa3225e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6657",
    "kind": "arxiv",
    "version": 1
  }
}