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
PROVINCE OF NORTHERN SAMAR Award a ₱644.9K contract to NORSAM BUILDERS & CONSTRUCTION SUPPLY - CATARMANProvinces
Transaction hash:
bb6f5d8036aa7ce6be0f9d8a4963206b046abd71791f07dffa60c325556d9955
Status:
Included and unchanged
Block:
#1,314 4,699 blocks after it
Position in block:
Transaction 65 of 87
Award day:
Dec 5, 2011 (14 yrs 11 mo ago)
Value:
₱644,927.70
Project:
Construction
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 #1,314 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)PROVINCE OF NORTHERN SAMAR awarded it to NORSAM BUILDERS & CONSTRUCTION SUPPLY - CATARMAN on 2011-12-05.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)COA's CY2024 audit of Northern Samar gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 bb6f5d8036…6d9955now …
- 2. Block Merkle root changedstored c7648c7f63…99c0c2now …
- 3. Block #1314 hash changedstored 36d92cbfc9…ea2acenow …
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 86 records. Each step hashes the current value together with the sibling shown.
- leaf bb6f5d8036aa7ce6be0f9d8a4963206b046abd71791f07dffa60c325556d9955
- 01 L b3e13b020a21bef13bd7e2570af9fbd0018928854b40d9fb60d7772f71a14e81
- 02 R 258642a395f69fecb223461262551cb49633d6e22ada6aefd285826f0582dec6
- 03 R 26f004f81ae4b8de4906d4e476e21282b6c0edaeec12f18baec7cae23fb00131
- 04 R 83cbaa7f520e9ac298f85667af2ebe5a7803139e75d2728d0471f6b92aa6a98f
- 05 R 94a7fef27d2e10f6622551cc1beb8afa8a9920b7f4b9607914cc3f0ec288459b
- 06 R 92c80181dc1e7bbeca7375874b424bbaf2278bcfc794da3a2d86c61c1dc6c790
- 07 L 3adde14368a4531e2c2977b0827c5e17cac9f373e70a37bd8eafc43d2ef5cd68
- root c7648c7f636f95ee50a250f6bc84e19d187a5cc46df1b2db516131aa9799c0c2