Pith Number

pith:6LXZ53XL

pith:2017:6LXZ53XL2MBUZEZCYQEXYB7HMO

not attested not anchored not stored refs pending

Very Large Array Ammonia Observations of the HH 111/HH 121 Protostellar System: a Detection of a New Source With a Peculiar Chemistry

Jaime E. Pineda, Jennifer Wiseman, Johan E. Lindberg, Marta Sewilo, Remy Indebetouw, Sheng-Li Qin, Steven B. Charnley

arxiv:1709.04856 v2 · 2017-09-08 · 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{6LXZ53XL2MBUZEZCYQEXYB7HMO}

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	2026-05-18T00:30:41.398716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2ef9eeeebd3034c9322c4097c07e7638636967ea727b064641c2460a1a79714

Aliases

arxiv: 1709.04856 · arxiv_version: 1709.04856v2 · doi: 10.48550/arxiv.1709.04856 · pith_short_12: 6LXZ53XL2MBU · pith_short_16: 6LXZ53XL2MBUZEZC · pith_short_8: 6LXZ53XL

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/6LXZ53XL2MBUZEZCYQEXYB7HMO \
  | 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: f2ef9eeeebd3034c9322c4097c07e7638636967ea727b064641c2460a1a79714

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b706e3791f532e44825baa60b7354d22ff7ca5015c397f0ee95b5c63753a6ce",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-08T14:38:42Z",
    "title_canon_sha256": "faa4ccdc527818e42a84dae63cbcaa647762b59cbc72637a9fa6fccf11c84135"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04856",
    "kind": "arxiv",
    "version": 2
  }
}