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, NORTHERN SAMAR 2ND Award a ₱6.0M contract to R.C. TAGALA CONSTRUCTIONNational agencies
Transaction hash:
628582aa882a8cf2804f2a8530cbf71412c9445a27f3e4e220e160185b58d746
Status:
Included and unchanged
Block:
#2,548 3,465 blocks after it
Position in block:
Transaction 111 of 305
Award day:
Oct 15, 2015 (11 yrs 1 mo ago)
Value:
₱5,999,604.66
Project:
15II00100 Batag NHS
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 #2,548 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, NORTHERN SAMAR 2ND awarded it to R.C. TAGALA CONSTRUCTION on 2015-10-15.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 628582aa88…58d746now …
- 2. Block Merkle root changedstored 14506abb96…c1ac0bnow …
- 3. Block #2548 hash changedstored 396219bd94…b275fenow …
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 304 records. Each step hashes the current value together with the sibling shown.
- leaf 628582aa882a8cf2804f2a8530cbf71412c9445a27f3e4e220e160185b58d746
- 01 L 62385034d5e380e80fc54489eb57b168a48fc7c83460640a18a086dc0deafc20
- 02 L c1c0541a7dd3976fd0d93f11198716220bd6049a3adee1066a3a8d46749dd002
- 03 L 8e3b12a0d80e897478bf60662dd9b9bbc2fac8823853b1203749dd0671fbb40c
- 04 L 563b508acf703a1d979c7b0dd7c5ad2e566bfb31c2833c5c5f09541001a69c39
- 05 R e4fa87b2924bf89a2985a82a5660dd723c8b72d38cef264bb6e0d9e6ce290263
- 06 L e2635de33647972d243dcc93792b4f2ab47903328cb1e89b58f0f0fcbc670b3a
- 07 L 51a4236abd824cf491990459a780af4dd676905c2c5efe317743db96b3c5a1f1
- 08 R f3f65603ba94a81f1f6b06250000ef833fadb723922e696e74224654608e797c
- 09 R 844f1f99580bb287a04489fc6ac4b2960bb6256cefd719b56db0c5be810aed74
- root 14506abb96d720a214ce0f44c6ce432d34f3024f29ad06144926169461c1ac0b