Pith Number

pith:E6RH4VL6

pith:2016:E6RH4VL67A35ZPHW2QNPBGSIYU

not attested not anchored not stored refs pending

Determining protoplanetary disk gas masses from CO isotopologues line observations

Anna Miotello, Ewine F. van Dishoeck, Mihkel Kama, Simon Bruderer

arxiv:1605.07780 v1 · 2016-05-25 · 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{E6RH4VL67A35ZPHW2QNPBGSIYU}

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	2026-05-18T01:01:23.835055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27a27e557ef837dcbcf6d41af09a48c5234f07c7bea246871fc533108db61530

Aliases

arxiv: 1605.07780 · arxiv_version: 1605.07780v1 · doi: 10.48550/arxiv.1605.07780 · pith_short_12: E6RH4VL67A35 · pith_short_16: E6RH4VL67A35ZPHW · pith_short_8: E6RH4VL6

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/E6RH4VL67A35ZPHW2QNPBGSIYU \
  | 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: 27a27e557ef837dcbcf6d41af09a48c5234f07c7bea246871fc533108db61530

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2842f523641e53e490363c09d5d22086e99c81f688acbc66e9d30b18e371b5f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-05-25T08:54:05Z",
    "title_canon_sha256": "6a0a92b60f4620068533e1aac5e27abe6e6b2f2610e89126c112ab9f9e794c0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.07780",
    "kind": "arxiv",
    "version": 1
  }
}