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
PHILIPPINE SCIENCE HIGH SCHOOL - ZAMBOANGA PENINSULA REGION Award a ₱2.7M contract to MMG CONSTRUCTIONNational agencies
Transaction hash:
490df1f9efc8cf87e2f50ab2780d1174df49490aa5d451de2c88f4c5252da900
Status:
Included and unchanged
Block:
#4,581 1,432 blocks after it
Position in block:
Transaction 65 of 281
Award day:
Sep 27, 2021 (5 yrs 1 mo ago)
Value:
₱2,748,740.74
Project:
Design and Build Scheme
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 #4,581 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)PHILIPPINE SCIENCE HIGH SCHOOL - ZAMBOANGA PENINSULA REGION awarded it to MMG CONSTRUCTION on 2021-09-27.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 490df1f9ef…2da900now …
- 2. Block Merkle root changedstored 0810236051…aacb8bnow …
- 3. Block #4581 hash changedstored f5fc23b329…2c70fenow …
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 280 records. Each step hashes the current value together with the sibling shown.
- leaf 490df1f9efc8cf87e2f50ab2780d1174df49490aa5d451de2c88f4c5252da900
- 01 L 4886fe6da7261eadc0644f07effb0483929250fe3dc2f8ea27ea47d0be59fa4a
- 02 R aedfdb8bf3a2fbe44c3c4d2c373e1defef0a42965c6717b2491f56ae23208ca6
- 03 R fe71403ac58d15ce4919abb40af266f33d0877842b4d35adfd96a22acaa2d911
- 04 R 840b91e7ef39d431f118b6044c92f0259da3d0e295ae38995c0030252b17f37c
- 05 R 895834e27669d3a6b7b21097eb3572075a6bb9bb3227bfe4f5ccc04bd0a53297
- 06 R 0d54ba50cd8710b68294d1546bb7f058870604e8adde14ee16411580ed5fc84e
- 07 L d1ead94ba2d0db8e3f8cbd6b63a1de996c420915acb26ce51f27a5a65905f852
- 08 R a33fe235f5eefe698f1cb2ce8449daa7bfba4d588069da732af9b62e72fcbe2e
- 09 R be2e2b4cdb83aab7395c04b9f8e8c0ab5b36eef636aa671a533210e59ee384da
- root 081023605183621b71a77bdbd7111843716362c47712bd0df30955fdb7aacb8b