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
MANILA INTERNATIONAL AIRPORT AUTHORITY Award a ₱20.7M contract to PRECIOUS CONSTRUCTIONNational agencies
Transaction hash:
7eec3e833178ebb99733ef6657220932b11e1baf5e1a83db2da69809d304b67c
Status:
Included and unchanged
Block:
#1,807 4,206 blocks after it
Position in block:
Transaction 41 of 73
Award day:
Jul 19, 2013 (13 yrs 3 mo ago)
Value:
₱20,702,106.72
Project:
Proposed Secondary Fence along Rwy 06/24&T3 apron
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 #1,807 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)MANILA INTERNATIONAL AIRPORT AUTHORITY awarded it to PRECIOUS CONSTRUCTION on 2013-07-19.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 7eec3e8331…04b67cnow …
- 2. Block Merkle root changedstored 23ae8db9bd…0aa330now …
- 3. Block #1807 hash changedstored 5e4933fa2e…d578aanow …
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 72 records. Each step hashes the current value together with the sibling shown.
- leaf 7eec3e833178ebb99733ef6657220932b11e1baf5e1a83db2da69809d304b67c
- 01 L 7ec2a35291aa1dce807eb73b78748f5b73a8783bd83091a6ab6be527caf2533b
- 02 R fc746275e11907b1d690d8e027ef42daa3d26e92be9772fa9aa93ef297c33fb8
- 03 R 34e691a7d5bfc34292ece94b1a0ead34258ec8fc88e129a3d42a3ba3ad84753c
- 04 L 7fb4e4c949c07a54642715fa5bc1a1ff73421b429e5be8f016338a9c391b7e00
- 05 R f8887aa2c9eb61933dd6861b9030a90b058168389b71925d675643f8c2f07d2f
- 06 L 5a0f75ac92066bd9ef5f32259b0b7d67fbd09ac93e921560913a925ef0913911
- 07 R b004438a3b7c567cfee4604d79d4b5e03467477f5772cd9b504e76dedbbea361
- root 23ae8db9bd5dbd8f33e5aa4c0564b73379fd56329ba701cf84288146e90aa330