DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
CITY OF CALOOCAN Award a ₱2.6M contract to NATIONSTAR DEVELOPMENT CORPORATIONCities
Transaction hash:
f2cd5114632e40797113722166150058ad7d75b620ec64a52b7e2fa06cb93a85
Status:
Included and unchanged
Block:
#59 5,954 blocks after it
Position in block:
Transaction 15 of 16
Award day:
Feb 21, 2007 (19 yrs 8 mo ago)
From:
Value:
₱2,635,109.00
Project:
Improvement of Roads and Drainage System at Phase 9 (Staging Area)
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #59 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)CITY OF CALOOCAN awarded it to NATIONSTAR DEVELOPMENT CORPORATION on 2007-02-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of City of Caloocan gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored f2cd511463…b93a85now …
- 2. Block Merkle root changedstored e4192510e1…1131e6now …
- 3. Block #59 hash changedstored 788a4d0e56…ca1332now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 15 records. Each step hashes the current value together with the sibling shown.
- leaf f2cd5114632e40797113722166150058ad7d75b620ec64a52b7e2fa06cb93a85
- 01 L f26b8d0fdb8c12700e2e714c9f16a7ad81e690793ac06b2a005fdb7c5dd7dd28
- 02 L afc8e615c21b1ee3a2ddcda1a970f48487dafe089ae0dee238d279be3f045de0
- 03 L dad9508e773c99f7fa86249a850fa0cdcb2748317d200452eeb75fd35d7c5bf9
- 04 L 505d2840ab8e166a9b7d2d7e4075350c3ef6a62ec3014f9fed693a7fd3483ce0
- root e4192510e165a0a443d6bcf1d630abe08a5c5356735b6c9489534a27e71131e6