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
METRO MANILA DEVELOPMENT AUTHORITY Award a ₱14.4M contract to STRUKTURA TEKNIKA SERVICES COMPANYNational agencies
Transaction hash:
d801ac99db31dc283f34847ecedd270b26f4fc292b136924b066095a083f7d9c
Status:
Included and unchanged
Block:
#3,896 2,117 blocks after it
Position in block:
Transaction 208 of 238
Award day:
Oct 4, 2019 (7 yrs 1 mo ago)
Value:
₱14,391,952.66
Project:
Construction Projects
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 #3,896 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)METRO MANILA DEVELOPMENT AUTHORITY awarded it to STRUKTURA TEKNIKA SERVICES COMPANY on 2019-10-04.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 d801ac99db…3f7d9cnow …
- 2. Block Merkle root changedstored 9ef5a90df1…ac0ba9now …
- 3. Block #3896 hash changedstored bae71777ca…8685a4now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 237 records. Each step hashes the current value together with the sibling shown.
- leaf d801ac99db31dc283f34847ecedd270b26f4fc292b136924b066095a083f7d9c
- 01 R d99e1e794bf0ff8367a0155c5459970d3bd2184d26a904c52a9970a2760f783a
- 02 R 80b11a2d7c0977b1f79990e10d19f4ec81b40999a7da797d526e4b5f503696fa
- 03 R 090c8a4b7a4ed9442099da8a9b9fab21f608bcefc7aaad05e1b6adc9a26b889a
- 04 R 380480dae99ade84967cd74ffdaff22e0360873566a6c2b74f1d123421b317a8
- 05 L b83afc0b451fab4cc647241d35a7dc7d2ce217c4693857c410729bfa191d52e8
- 06 R 87b94c4c1bc6b0f0ca9af748e3f1f1e1884539d540e41f3d0acae2a7f3d867c3
- 07 L a61b68df4b7b11dd5aa303c3ff00ee0aef6edfba4ef5481a194f56e308ff8310
- 08 L 0850cd7dccde4a59bf0047ff9f3b0228beaf99ae2e2378d5583a76fc590e563f
- root 9ef5a90df1d865ceeab4fb1e793f667f699d21cae620c6fc8339e60ff8ac0ba9