Pith Number

pith:EPRYXI37

pith:2012:EPRYXI37FVJLNUMEYO2WNLJRTU

not attested not anchored not stored refs pending

First Detection of Near-Infrared Line Emission from Organics in Young Circumstellar Disks

A. M. Mandell, C. Salyk, E. F. van Dishoeck, G. A. Blake, G. Villanueva, J. Bast, M. J. Mumma

arxiv:1201.0766 v2 · 2012-01-03 · 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{EPRYXI37FVJLNUMEYO2WNLJRTU}

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	2026-05-18T01:58:58.194845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23e38ba37f2d52b6d184c3b566ad319d0a203f2fed0b9b4b1d880ce0751fc51f

Aliases

arxiv: 1201.0766 · arxiv_version: 1201.0766v2 · doi: 10.48550/arxiv.1201.0766 · pith_short_12: EPRYXI37FVJL · pith_short_16: EPRYXI37FVJLNUME · pith_short_8: EPRYXI37

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/EPRYXI37FVJLNUMEYO2WNLJRTU \
  | 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: 23e38ba37f2d52b6d184c3b566ad319d0a203f2fed0b9b4b1d880ce0751fc51f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e12043e6390c9dd079b3514a6486d0077e951647ff803fef6912ddb68dc230c3",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-01-03T21:01:16Z",
    "title_canon_sha256": "be5c9a3f79df4ba47b0ea02262190d54fa493de085e518cd0f60263a3e3871a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0766",
    "kind": "arxiv",
    "version": 2
  }
}