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 CATANDUANES Award a ₱4.9M contract to CHRISMAN CONSTRUCTION AND SUPPLIESProvinces
Transaction hash:
55678dae254bdfd2d15c79e3533e2bc412355ffc075a12d7f042a17f837d4424
Status:
Included and unchanged
Block:
#3,138 2,875 blocks after it
Position in block:
Transaction 52 of 159
Award day:
Jul 20, 2017 (9 yrs 3 mo ago)
Value:
₱4,852,337.53
Project:
Const. of Motorpool Building Phase II
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 #3,138 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 CATANDUANES awarded it to CHRISMAN CONSTRUCTION AND SUPPLIES on 2017-07-20.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 Catanduanes 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 55678dae25…7d4424now …
- 2. Block Merkle root changedstored f3499aacba…b7218fnow …
- 3. Block #3138 hash changedstored e3544099e3…b5ea73now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 158 records. Each step hashes the current value together with the sibling shown.
- leaf 55678dae254bdfd2d15c79e3533e2bc412355ffc075a12d7f042a17f837d4424
- 01 R 58f9215cfd7a23d6e86455d70fce23dee4e893630e755326fc6925ec9e121368
- 02 R 227f942119cd971fabd827b3bb2cf86e607338c3b36df4f8215f76d07cf4ee6e
- 03 L 032c84ba1704281636e914669428225b27f8bf8b352062a412649df8be6f53e2
- 04 R cd1ce160cb1bbede70f3b7e8e38a1e5be0f20a7892da6a5227301106905724ec
- 05 L 133857fb491353392eb26d4add8ee2ab2b47df6a26c7f2cd5dcb4bccf6534427
- 06 L 061d6aa1886e2714f1bee732f118692031205fbc3c9ef75b044a31e293f00f8e
- 07 R 192f64de3e78aba46e843c356b095c845af5c25c452104b68feb56699dc2d655
- 08 R 99453460ba9de5004fe039de7b68bb0780706e9458793964f99f8b12dac759ec
- root f3499aacba25c22ad2ccebe5c94724198a08a8d1ace89c7ce70df462ccb7218f