Pith Number

pith:XYYDA53I

pith:2018:XYYDA53IRRPEALHV6PQLZ6UVBK

not attested not anchored not stored refs pending

Flux Density Variations at 3.6 cm in the Massive Star-Forming Region W49A

B. Presler-Marshall, C. G. De Pree, D. Wilner, J. Bates, M.-M. Mac Low, R. Galv\'an-Madrid, R. S. Klessen, R. Webb-Forgus, T. Melo, T. Peters, W. M. Goss

arxiv:1807.10669 v1 · 2018-07-27 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XYYDA53IRRPEALHV6PQLZ6UVBK}

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	2026-05-18T00:08:05.794879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be303077688c5e402cf5f3e0bcfa950a99ca9fb20d34d34f2544e71a541ed689

Aliases

arxiv: 1807.10669 · arxiv_version: 1807.10669v1 · doi: 10.48550/arxiv.1807.10669 · pith_short_12: XYYDA53IRRPE · pith_short_16: XYYDA53IRRPEALHV · pith_short_8: XYYDA53I

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/XYYDA53IRRPEALHV6PQLZ6UVBK \
  | 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: be303077688c5e402cf5f3e0bcfa950a99ca9fb20d34d34f2544e71a541ed689

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e10389921e2381a3692d09bd7dc571ea49522cfc742287199cadfed1ea8620a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-27T15:07:19Z",
    "title_canon_sha256": "a78e41c611299eabbc2a6fe4dc577a51c66812ee72b470fa2ee415080de9fe17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10669",
    "kind": "arxiv",
    "version": 1
  }
}