Pith Number

pith:TEPIUPH7

pith:2009:TEPIUPH7M6KPY3YJY4ECULGGPP

not attested not anchored not stored refs pending

Cold gas as an ice diagnostic toward low mass protostars

Ewine F. van Dishoeck, Karin I. Oberg, Sandrine Bottinelli

arxiv:0901.1019 v1 · 2009-01-08 · 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{TEPIUPH7M6KPY3YJY4ECULGGPP}

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	2026-05-18T02:15:02.944862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

991e8a3cff6794fc6f09c7082a2cc67bd2499e3f2a38a0188def0999b5c7ea29

Aliases

arxiv: 0901.1019 · arxiv_version: 0901.1019v1 · doi: 10.48550/arxiv.0901.1019 · pith_short_12: TEPIUPH7M6KP · pith_short_16: TEPIUPH7M6KPY3YJ · pith_short_8: TEPIUPH7

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/TEPIUPH7M6KPY3YJY4ECULGGPP \
  | 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: 991e8a3cff6794fc6f09c7082a2cc67bd2499e3f2a38a0188def0999b5c7ea29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2374260da5d973552cff53915a38b994a697315f328f4909884668e6504ecc98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-01-08T11:20:12Z",
    "title_canon_sha256": "e75962e4f380a451969b6b7850f1543f68cfe02c22dffd93cb708d06518a3295"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1019",
    "kind": "arxiv",
    "version": 1
  }
}