Pith Number

pith:IE4M34YL

pith:2018:IE4M34YLLCR3LYLUAZSAEGTAKG

not attested not anchored not stored refs pending

RadioAstron space-VLBI project: studies of masers in star forming regions of our Galaxy and megamasers in external galaxies

A. M. Sobolev, A. V. Alakoz, N. N. Shakhvorostova, W. A. Baan

arxiv:1802.05133 v1 · 2018-02-14 · 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{IE4M34YLLCR3LYLUAZSAEGTAKG}

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	2026-05-18T00:07:40.823426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4138cdf30b58a3b5e1740664021a60518ff1c4df7c05110b1afe477e2813f762

Aliases

arxiv: 1802.05133 · arxiv_version: 1802.05133v1 · doi: 10.48550/arxiv.1802.05133 · pith_short_12: IE4M34YLLCR3 · pith_short_16: IE4M34YLLCR3LYLU · pith_short_8: IE4M34YL

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/IE4M34YLLCR3LYLUAZSAEGTAKG \
  | 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: 4138cdf30b58a3b5e1740664021a60518ff1c4df7c05110b1afe477e2813f762

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bffa40bde580f8879d6f72f89fbd25bb42b89116bf21c54b10906b3fbbd82807",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-14T14:54:06Z",
    "title_canon_sha256": "d473fc13ece9bb48db7c17735c5cd75739204b3d528147796e2b3479f241fe11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05133",
    "kind": "arxiv",
    "version": 1
  }
}