Pith Number

pith:PHX4CFSA

pith:2015:PHX4CFSAETM2QSW6NUB5R3H3MC

not attested not anchored not stored refs pending

Chemistry in Disks. IX. Observations and modeling of HCO+ and DCO+ in DM Tau

Anne Dutrey, Dmitry Semenov, Edwige Chapillon, Richard Teague, Stephane Guilloteau, Thomas Henning, Valentine Wakelam, Vincent Pietu

arxiv:1501.00984 v1 · 2015-01-05 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PHX4CFSAETM2QSW6NUB5R3H3MC}

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	2026-05-18T02:27:31.607722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79efc1164024d9a84ade6d03d8ecfb60a8c39ff17d1236d60afcec291e757a9e

Aliases

arxiv: 1501.00984 · arxiv_version: 1501.00984v1 · doi: 10.48550/arxiv.1501.00984 · pith_short_12: PHX4CFSAETM2 · pith_short_16: PHX4CFSAETM2QSW6 · pith_short_8: PHX4CFSA

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/PHX4CFSAETM2QSW6NUB5R3H3MC \
  | 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: 79efc1164024d9a84ade6d03d8ecfb60a8c39ff17d1236d60afcec291e757a9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32db68d1fb17031779ce55e64748302ddc7ddd9b95bc6d930026fe07a3403903",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-01-05T21:00:13Z",
    "title_canon_sha256": "5ccad0e27dfbd9384a15a3cd9baa91b8912eb8451dd1ebec8f8033a49d0014b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00984",
    "kind": "arxiv",
    "version": 1
  }
}