Pith Number

pith:HXX3JA3Q

pith:2016:HXX3JA3QYMZVWBLJ7IOXI72PRA

not attested not anchored not stored refs pending

A survey of HI gas toward the Andromeda Galaxy

(2) Max-Planck-Institut fuer Radioastronomie), B. Winkel (2) ((1) Argelander-Institut fuer Astronomie, D. Lenz (1), J. Kerp (1), L. Floeer (1), N. Ben Bekhti (1), P.M.W. Kalberla (1)

arxiv:1603.05400 v1 · 2016-03-17 · 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{HXX3JA3QYMZVWBLJ7IOXI72PRA}

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	2026-05-18T01:15:41.639747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3defb48370c3335b0569fa1d747f4f880c47dbb4ef361e6821f95e5f7320aea3

Aliases

arxiv: 1603.05400 · arxiv_version: 1603.05400v1 · doi: 10.48550/arxiv.1603.05400 · pith_short_12: HXX3JA3QYMZV · pith_short_16: HXX3JA3QYMZVWBLJ · pith_short_8: HXX3JA3Q

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/HXX3JA3QYMZVWBLJ7IOXI72PRA \
  | 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: 3defb48370c3335b0569fa1d747f4f880c47dbb4ef361e6821f95e5f7320aea3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73195839af5941f43950ca2b8da787d0bf34514c7f2b607aed71defb399e3726",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-03-17T09:24:32Z",
    "title_canon_sha256": "6535b989f20b8fb442983a38da9fdb210819c3f3c9f4d774c06e0935dcb4eb61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.05400",
    "kind": "arxiv",
    "version": 1
  }
}