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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS (METRO MANILA 3RD ED Award a ₱10.6M contract to WAY MAKER GENERAL CONTRACTOR OPCNational agencies
Transaction hash:
f2a271b247e1b7106b9bdbeecd7f1a12445a8cec8cb41e07146306faf874f222
Status:
Included and unchanged
Block:
#5,161 852 blocks after it
Position in block:
Transaction 486 of 507
Award day:
May 22, 2023 (3 yrs 5 mo ago)
Value:
₱10,628,178.23
Project:
23OD0217
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 #5,161 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS (METRO MANILA 3RD ED awarded it to WAY MAKER GENERAL CONTRACTOR OPC on 2023-05-22.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 f2a271b247…74f222now …
- 2. Block Merkle root changedstored 8b7ddbdb71…438538now …
- 3. Block #5161 hash changedstored 1bc84bae85…cced2dnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 506 records. Each step hashes the current value together with the sibling shown.
- leaf f2a271b247e1b7106b9bdbeecd7f1a12445a8cec8cb41e07146306faf874f222
- 01 R f3a867b3e30c24b13683c474cc31ee83128025e3c0ccfbab2bb4d562f2c390ca
- 02 L 1432ea6e22b7caac4668bc7570d5bacc60ddc5dcbbbb32905169e19e60be41fc
- 03 L a55f82c8e4b3b4fa7f71696b775e43abed9090d48de0517ed599f6bdb7d38088
- 04 R d54766495eec1590060a6dccd014578be381e9f56deb652ed33c32d36fe1a3d6
- 05 R b15f59dc78e7eef4f30cc57a10527481cb65bbc6528932be79194e385548899c
- 06 L 2c433f557ae1c039d61925b959c3ce7eb92cadeb030a1cc344e8f2c66bfded71
- 07 L 5b9d1babd1ab58f104f213ea0002074055fa58e597752b7b96a05fd064902b63
- 08 L a55f07f0fbabf81f9f9e5019825685ec2685e140b89aac41feb789a73d1ed76a
- 09 L 1293991e82477d1765700ced82afd0f4310436d8a989794bfadd0f7eca186dd8
- root 8b7ddbdb711bd2496b37bb354cd750a6314ec72d0e6c36cb9ba97541ad438538