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
NATIONAL HOUSING AUTHORITY Award a ₱171.5M contract to DUMDUMA CONSTRUCTION & TRADING CORPORATIONNational agencies
Transaction hash:
de856dd5d7347e007fa824d581588acebbf1b796d4ab7e79e537bef8f52ca79a
Status:
Included and unchanged
Block:
#3,011 3,002 blocks after it
Position in block:
Transaction 107 of 124
Award day:
Mar 9, 2017 (9 yrs 8 mo ago)
Value:
₱171,475,897.70
Project:
Const. of Fourteen 3-Storey LRB's and Land Dev't.
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 #3,011 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)NATIONAL HOUSING AUTHORITY awarded it to DUMDUMA CONSTRUCTION & TRADING CORPORATION on 2017-03-09.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 de856dd5d7…2ca79anow …
- 2. Block Merkle root changedstored 90840ff5e9…bd6a14now …
- 3. Block #3011 hash changedstored 97cd787226…3d346fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 123 records. Each step hashes the current value together with the sibling shown.
- leaf de856dd5d7347e007fa824d581588acebbf1b796d4ab7e79e537bef8f52ca79a
- 01 L db5e194a9ef418770fd398c120e0b03f06e7fde73e8bf2ee3effddbc1a78e48e
- 02 L 4c45b63b016cacb4a81f9bd3a84ca7eaf971e616caa4d1fde03950aed6391e9e
- 03 R 7a9914912d345397a20b1ffb7b1af03b9cbc44061b949d5c671f7e00e0f219e8
- 04 L 75f4e4ac329b47cac1e40aaea2fa25184d9407e284bac5b60f833c75d85cda9e
- 05 R 0d42675b057f3f2d1dde16986c3fbeb2cd9e5b7d035d8ac709ad2e9e84010deb
- 06 L 9506c211c8082f43788ca2f133c501fd4bb2ca497b7df435b6ad620d37524a29
- 07 L 8eef04768f0c318d3908263d7d249249aebb8b6fd81a217450a28a692dd732ef
- root 90840ff5e9dc1969a1d5888be6658a3c10f971a7bded03dc0832028963bd6a14