pith. sign in
Pith Number

pith:THTMPKZD

pith:2009:THTMPKZDPYKGMWYUDPE4FJY4GK
not attested not anchored not stored refs pending

Identifications of Five INTEGRAL Sources via Optical Spectroscopy

Emrah Kalemci, Jerome Rodriguez, John A. Tomsick, Juan A. Zurita Heras, Mehtap \"Ozbey, Philip Kaaret, Roland Walter, Suzanne C. Butler, Sylvain Chaty

arxiv:0903.1302 v1 · 2009-03-06 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{THTMPKZDPYKGMWYUDPE4FJY4GK}

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 2026-05-18T04:29:16.102620Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

99e6c7ab237e14665b141bc9c2a71c32b1c900722ffd3e207cddc2cb8e2fa484

Aliases

arxiv: 0903.1302 · arxiv_version: 0903.1302v1 · doi: 10.48550/arxiv.0903.1302 · pith_short_12: THTMPKZDPYKG · pith_short_16: THTMPKZDPYKGMWYU · pith_short_8: THTMPKZD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/THTMPKZDPYKGMWYUDPE4FJY4GK \
  | 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: 99e6c7ab237e14665b141bc9c2a71c32b1c900722ffd3e207cddc2cb8e2fa484
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ac751f661c35e11d163cf5f90101ea7616985beadaa45713cb52a57aacd1514a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-03-06T21:46:36Z",
    "title_canon_sha256": "67a01af336eadb1af1e3cbd6fe740b617bff55d6852f5a14d1813f8183c95724"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1302",
    "kind": "arxiv",
    "version": 1
  }
}