Pith Number

pith:67OGCONM

pith:2021:67OGCONMSOZ5YMBSRBCUGVAB64

not attested not anchored not stored refs pending

Which molecule traces what: chemical diagnostics of protostellar sources

Beno\^it Tabone, Charles L. H. Hull, Daniel Harsono, Ewine F. van Dishoeck, John J. Tobin, {\L}ukasz Tychoniec, Martijn L. van Gelder, Merel L.R. van 't Hoff, Michiel R. Hogerheijde, Nadia M. Murillo, Yuan Chen

arxiv:2107.03696 v2 · 2021-07-08 · astro-ph.SR · 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{67OGCONMSOZ5YMBSRBCUGVAB64}

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	2026-07-05T03:34:30.005745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7dc6139ac93b3dc30328845435401f7170c32027f3c6716f245ec7029b81e0b

Aliases

arxiv: 2107.03696 · arxiv_version: 2107.03696v2 · doi: 10.48550/arxiv.2107.03696 · pith_short_12: 67OGCONMSOZ5 · pith_short_16: 67OGCONMSOZ5YMBS · pith_short_8: 67OGCONM

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/67OGCONMSOZ5YMBSRBCUGVAB64 \
  | 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: f7dc6139ac93b3dc30328845435401f7170c32027f3c6716f245ec7029b81e0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e35fdc54e1627f6df234dd8021a6f62ee8ac30b7d8921cad222ead94c95d8196",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-07-08T09:20:02Z",
    "title_canon_sha256": "2cf49602c56f6345f0e595ee0d1a3ecee9504cf1744143d87110305c112baa30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.03696",
    "kind": "arxiv",
    "version": 2
  }
}