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
BARANGAY SAN LORENZO, MAKATI CITY Award a ₱7.3M contract to MAR-VEL CONSTRUCTION & SUPPLYBarangays
Transaction hash:
b31b55aa8b5e269ebee2c83f139a76ee12622a5abcfce7a682e830136b2ef722
Status:
Included and unchanged
Block:
#4,546 1,467 blocks after it
Position in block:
Transaction 209 of 296
Award day:
Aug 23, 2021 (5 yrs 2 mo ago)
Value:
₱7,321,922.40
Project:
Scraping and Asphalt Overlay of Rodriguez St.
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 #4,546 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)BARANGAY SAN LORENZO, MAKATI CITY awarded it to MAR-VEL CONSTRUCTION & SUPPLY on 2021-08-23.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 b31b55aa8b…2ef722now …
- 2. Block Merkle root changedstored de8a9e75ae…d9e8a6now …
- 3. Block #4546 hash changedstored 8c75996edc…4fda20now …
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 295 records. Each step hashes the current value together with the sibling shown.
- leaf b31b55aa8b5e269ebee2c83f139a76ee12622a5abcfce7a682e830136b2ef722
- 01 L b2cb2d2fdbe554f734578b4ca038635c218ec25f6ab476839e1de290810f860e
- 02 R ff9213aeae0dcc954b6e5190d3cd37cc3423f02d5f99d1ea777bb873032265fc
- 03 R a52a10cfce1229674feee56f0233934909868549a7124333c2fac345be96ef69
- 04 R ce19be74b7a38113fb4273e88ccda336d7f71177ae41c38773a7b06af9e0ee50
- 05 L d83ea25153b6e3f04905ff2363c293892c96b4ccc5a76019e9dfa92cba04de80
- 06 R 0ec8ce0aba0e0c7c4fd0fead6ab4915c13505af55873e7376ea4d0e405a717b9
- 07 L e9704e3787c3a89c199747f48d3ba384361023ed4009172b7cb15d7cd1c058e8
- 08 L 745c2d5c74e77f5864a078ab1f617b766db77458bda26a834d549b032a2cfebc
- 09 R b2667cf54f54b02dad2477fbefb35c1eb3d440c5d36818c3c3c4376bca3f874d
- root de8a9e75ae184a6e76062125f70ef660e9a48b8a5ef5c8a8459996b180d9e8a6