Pith Number

pith:QD6LAZA2

pith:2018:QD6LAZA2ALV3QO5LR5GXDZSTDX

not attested not anchored not stored refs pending

Carbon Chain Molecules Toward Embedded Low-Mass Protostars

Charles J. Law, Dawn Graninger, Jennifer B. Bergner, Karin I. Oberg

arxiv:1807.05231 v1 · 2018-07-13 · astro-ph.GA · astro-ph.EP · 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{QD6LAZA2ALV3QO5LR5GXDZSTDX}

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	2026-05-18T00:07:33.771531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80fcb0641a02ebb83bab8f4d71e6531dd3677df14e5d07e58e026e80348a8e24

Aliases

arxiv: 1807.05231 · arxiv_version: 1807.05231v1 · doi: 10.48550/arxiv.1807.05231 · pith_short_12: QD6LAZA2ALV3 · pith_short_16: QD6LAZA2ALV3QO5L · pith_short_8: QD6LAZA2

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/QD6LAZA2ALV3QO5LR5GXDZSTDX \
  | 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: 80fcb0641a02ebb83bab8f4d71e6531dd3677df14e5d07e58e026e80348a8e24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84e52bd4eeae0d40c32d2ee4716915cb86aec097a705d6093ce5e2ba6ca5ccfb",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-13T18:00:01Z",
    "title_canon_sha256": "15f442164ed92d21c1a72f2c09a82d7abe1a64a01ec3bcdaeaf8458449874081"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05231",
    "kind": "arxiv",
    "version": 1
  }
}